Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Additional Information (Detail)

v3.23.2
Long-Term Debt - Additional Information (Detail)
1 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Mar. 19, 2025
Sep. 15, 2023
Jul. 01, 2023
Jul. 30, 2021
USD ($)
Feb. 10, 2021
Mar. 19, 2020
USD ($)
Dec. 12, 2019
USD ($)
Aug. 16, 2018
USD ($)
Jul. 30, 2021
USD ($)
May 31, 2021
USD ($)
May 31, 2020
USD ($)
Mar. 31, 2018
USD ($)
$ / shares
Jun. 30, 2023
USD ($)
$ / shares
Jun. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Mar. 31, 2020
USD ($)
Jun. 30, 2023
USD ($)
Days
$ / shares
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Sep. 30, 2021
Dec. 31, 2022
USD ($)
Days
$ / shares
Jan. 01, 2022
USD ($)
Jun. 30, 2020
USD ($)
Debt Instrument [Line Items]                                              
Outstanding principal amount                         $ 2,644,400,000       $ 2,644,400,000            
Long-Term Debt                         2,622,300,000       2,622,300,000       $ 2,692,000,000    
Accumulated deficit                         (1,115,300,000) $ (59,100,000)     (1,115,300,000) $ (59,100,000)     (1,204,500,000)    
Borrowings under the senior secured credit facility                         897,300,000       897,300,000       971,300,000    
Interest expense                         41,100,000 33,200,000     82,900,000 64,600,000          
Paid-in-capital in excess of par value                         202,800,000       202,800,000       188,700,000    
Long-term debt                         2,622,300,000       2,622,300,000       2,692,000,000    
Letters of credit issued but undrawn                         41,000,000       41,000,000            
2.625% Convertible Senior Notes Due 2024 [Member]                                              
Debt Instrument [Line Items]                                              
Outstanding principal amount                       $ 550,000,000 262,500,000       262,500,000       262,500,000    
Reduction to long term debt representing carrying value of convertible debt                                         286,000,000    
Deferred financing costs                       12,900,000                      
Aggregate principal amount of convertible senior notes issued                       550,000,000                 277,500,000    
Debt instrument , Purchase Price                                         274,900,000    
Loss on extinguishment of debt                                         (12,800,000)    
Long-Term Debt                       $ 410,100,000                   $ 59,100,000  
Additional Paid in Capital                                           136,700,000  
Interest expense                         2,000,000 4,100,000     3,800,000 8,300,000          
Amortization of deferred financing costs                         $ 200,000 600,000     $ 500,000 1,100,000          
Convertible notes, interest rate                       2.625% 2.625%       2.625%            
Convertible notes maturity                       Mar. 15, 2024         Mar. 15, 2024            
Principal amount of convertible notes                       $ 1,000         $ 1,000            
Convertible notes conversion rate                       16.0056         160,467.0000            
Convertible notes conversion price | $ / shares                       $ 62.48 $ 62.32       $ 62.32            
Paid-in-capital in excess of par value                       $ 139,900,000                      
Long-term debt                       $ 410,100,000                   $ 59,100,000  
Effective interest rate on convertible notes                       8.40%                   3.10%  
Accrued interest                                         1,700,000    
Repurchase of convertible notes                                         287,500,000    
Convertible notes, conversion feature                                 Holders of the 2024 Convertible Notes may convert their notes at their option under the following circumstances: (i) during any calendar quarter commencing after the calendar quarter ending June 30, 2018, if the last reported sale price of the Company’s common shares for at least 20 trading days (whether or not consecutive) in a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter exceeds 130% of the conversion price for the 2024 Convertible Notes on each applicable trading day; (ii) during the five business-day period immediately after any five consecutive trading day period, or the measurement period, in which the trading price per $1,000 principal amount of 2024 Convertible Notes for each trading day of that measurement period was less than 98% of the product of the last reported sale price of the Company’s common shares and the conversion rate for the 2024 Convertible Notes for each such day; (iii) if the Company calls the 2024 Convertible Notes for redemption; or (iv) upon the occurrence of specified corporate events. On and after December 15, 2023, holders may convert their 2024 Convertible Notes at any time, regardless of the foregoing circumstances. In December 2021, the Company made an irrevocable election under the indenture governing the 2024 Convertible Notes to require the principal portion of the 2024 Convertible Notes to be settled in cash and any excess in shares or cash.            
Convertible notes, number of trading days of threshold limit (whether or not consecutive) | Days                                 20            
Convertible notes, number of trading days of threshold limit in consecutive days | Days                                 30            
Minimum percentage of common share price over conversion price for conversion                       130.00%                      
Minimum percentage of the product of common share price and conversion rate for convertible notes                       98.00%                      
Deferred financing costs recorded as additional paid-in-capital in excess of par value                       $ 3,300,000                      
Unamortized debt discount and debt issuance costs                         $ 800,000       $ 800,000       1,300,000    
Convertible senior notes, carrying value                         261,700,000       261,700,000       261,200,000    
Fair value of notes                         254,900,000       254,900,000       243,300,000    
2.625% Convertible Senior Notes Due 2024 [Member] | Debt Issuance Costs [Member]                                              
Debt Instrument [Line Items]                                              
Deferred financing costs                       $ 9,600,000                      
4.250% Convertible Senior Notes Due 2028 [Member]                                              
Debt Instrument [Line Items]                                              
Outstanding principal amount                         277,500,000       277,500,000       277,500,000    
Deferred financing costs                                         8,500,000    
Aggregate principal amount of convertible senior notes issued                                         250,000,000    
Convertible debt underwriters over allotment option fully exercised                                         37,500,000    
Interest expense                         3,300,000       6,600,000            
Amortization of deferred financing costs                         $ 400,000       $ 700,000            
Additional principal amount of convertible notes                                         $ 27,500,000    
Convertible notes, interest rate                         4.25%       4.25%       4.25%    
Convertible notes maturity                                 Jun. 15, 2028       Jun. 15, 2028    
Principal amount of convertible notes                                         $ 1,000,000,000    
Convertible notes conversion rate                                         58.8998    
Convertible notes conversion price | $ / shares                                         $ 16.98    
Effective interest rate on convertible notes                                         4.90%    
Fair value of liability to convertible notes                         $ 289,700,000       $ 289,700,000       $ 305,400,000    
Convertible notes, conversion feature                                 Holders of the 2028 Convertible Notes may convert their notes at their option under the following circumstances: (i) during any calendar quarter commencing after the calendar quarter ending March 31, 2023, if the last reported sale price of the Company’s common shares for at least 20 trading days (whether or not consecutive) in a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter exceeds 130% of the conversion price for the 2028 Convertible Notes on each applicable trading day; (ii) during the five business-day period immediately after any five consecutive trading day period, or the measurement period, in which the trading price per $1,000 principal amount of 2028 Convertible Notes for each trading day of that measurement period was less than 98% of the product of the last reported sale price of the Company’s common shares and the conversion rate for the 2028 Convertible Notes for each such day; (iii) if the Company calls the 2028 Convertible Notes for redemption; or (iv) upon the occurrence of specified corporate events. On and after March 15, 2028, holders may convert their 2028 Convertible Notes at any time, regardless of the foregoing circumstances.            
Convertible notes, number of trading days of threshold limit (whether or not consecutive) | Days                                         20    
Convertible notes, number of trading days of threshold limit in consecutive days | Days                                         30    
Minimum percentage of common share price over conversion price for conversion                                         130.00%    
Minimum percentage of the product of common share price and conversion rate for convertible notes                                         98.00%    
Unamortized debt discount and debt issuance costs                         7,700,000       $ 7,700,000       $ 8,400,000    
Convertible senior notes, carrying value                         269,800,000       269,800,000       269,100,000    
7.875% Senior Notes Due 2025 [Member]                                              
Debt Instrument [Line Items]                                              
Outstanding principal amount                         600,000,000       600,000,000       600,000,000    
Deferred financing costs                         3,700,000       3,700,000       4,400,000   $ 7,900,000
Aggregate principal amount of convertible senior notes issued                     $ 600,000,000                        
Interest expense                         12,200,000 12,100,000     24,400,000 24,300,000          
Amortization of deferred financing costs                         $ 400,000 400,000     $ 800,000 700,000          
Convertible notes, interest rate                     7.875%   7.875%       7.875%            
Convertible notes maturity                     Sep. 01, 2025           Jan. 09, 2025            
Carrying amount                         $ 596,300,000       $ 596,300,000       595,600,000    
7.875% Senior Notes Due 2025 [Member] | Debt Issuance Costs [Member]                                              
Debt Instrument [Line Items]                                              
Deferred financing costs                                             $ 7,900,000
7.875% Senior Notes Due 2025 [Member] | Level 2 [Member]                                              
Debt Instrument [Line Items]                                              
Fair value of notes                         551,900,000       551,900,000       534,400,000    
4.875% Senior Notes Due 2029 [Member]                                              
Debt Instrument [Line Items]                                              
Outstanding principal amount                         600,000,000       600,000,000       600,000,000    
Deferred financing costs                                     $ 7,700,000   6,400,000    
Aggregate principal amount of convertible senior notes issued                   $ 600,000,000                          
Interest expense                         7,600,000 7,500,000     15,100,000 15,000,000          
Amortization of deferred financing costs                         $ 200,000 200,000     $ 400,000 400,000          
Convertible notes, interest rate                   4.875%     4.875%       4.875%            
Convertible notes maturity                   Jun. 01, 2029             Jan. 06, 2029            
Unamortized debt discount and debt issuance costs                         $ 6,000,000       $ 6,000,000            
Senior notes, redemption price, percentage                   100.00%                          
Senior notes, redemption price percentage with equity offerings                   104.875%                          
Carrying amount                         594,000,000       594,000,000       593,600,000    
Fair value of notes                         427,500,000       $ 427,500,000       412,500,000    
4.875% Senior Notes Due 2029 [Member] | Debt Issuance Costs [Member]                                              
Debt Instrument [Line Items]                                              
Deferred financing costs                                     $ 7,700,000        
4.875% Senior Notes Due 2029 [Member] | Maximum [Member]                                              
Debt Instrument [Line Items]                                              
Percentage of aggregate principal amount of senior notes being redeemed                   40.00%                          
Eurodollar [Member]                                              
Debt Instrument [Line Items]                                              
Base rate interest rate floor                                 0.00%            
SOFR                                              
Debt Instrument [Line Items]                                              
Base rate interest rate floor     0.00%                                        
2018 Revolving Credit Facility [Member]                                              
Debt Instrument [Line Items]                                              
Credit facility, amount repaid                                 $ 131,000,000 159,000,000          
Borrowings under the senior secured credit facility                                         $ 60,000,000    
2018 Term Loan A [Member] | 2018 Revolving Credit Facility [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate       0.03%                                      
2017 Credit Facility [Member] | 2017 Revolving Credit Facility [Member]                                              
Debt Instrument [Line Items]                                              
Repayment of prior senior secured credit facility               $ 1,178,100,000                              
2018 Credit Facility [Member]                                              
Debt Instrument [Line Items]                                              
Credit facility, maximum amount               1,250,000,000                              
Commitment Fee Percentage                 0.35%                            
Deferred financing costs             $ 1,200,000 11,700,000         $ 1,100,000       1,100,000            
Credit facility, amount borrowed                                 71,000,000 159,000,000          
Credit facility, amount repaid                                 $ 145,500,000 173,500,000          
Long-term debt, weighted average interest rate                         7.21%       7.21%       4.08%    
Borrowings under the senior secured credit facility                         $ 901,200,000       $ 901,200,000       $ 975,700,000    
Interest expense                         18,100,000 9,400,000     35,200,000 16,900,000          
Non-cash interest expense                         100,000 100,000     200,000 200,000          
Amortization of deferred financing costs                         500,000 $ 500,000     1,000,000 $ 1,000,000          
2018 Credit Facility [Member] | 2024 Convertible Notes Exceeds 350 Million [Member] | Minimum [Member]                                              
Debt Instrument [Line Items]                                              
Outstanding principal amount           $ 350,000,000   350,000,000                              
2018 Credit Facility [Member] | Second Amendment [Member]                                              
Debt Instrument [Line Items]                                              
Debt Modification Costs       $ 1,400,000   1,600,000     $ 1,400,000       1,100,000       1,100,000            
Deferred financing costs       $ 800,000   $ 1,100,000     800,000       1,000,000       1,000,000            
Credit facility amendment date           Mar. 19, 2020                                  
Recognized in interest expense, net                         100,000   $ 600,000 $ 500,000              
2018 Credit Facility [Member] | 2024 Convertible Notes Exceeds 350 Million [Member] | Maximum [Member]                                              
Debt Instrument [Line Items]                                              
Outstanding principal amount                         350,000,000       $ 350,000,000            
2018 Credit Facility [Member] | Base Rate [Member]                                              
Debt Instrument [Line Items]                                              
Base rate interest rate floor     1.00%                           1.00%            
2018 Credit Facility [Member] | Federal Funds Rate [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate     0.50%                           0.50%            
2018 Credit Facility [Member] | LIBOR [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate                                 1.00%            
2018 Credit Facility [Member] | SOFR                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate                                 1.00%            
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member]                                              
Debt Instrument [Line Items]                                              
Credit facility, maximum amount               250,000,000                              
Borrowings under the senior secured credit facility                                         60,000,000    
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Minimum [Member]                                              
Debt Instrument [Line Items]                                              
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage     0.25% 0.25%                                      
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Maximum [Member]                                              
Debt Instrument [Line Items]                                              
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage     0.35% 0.35%                                      
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Second Amendment [Member] | Minimum [Member]                                              
Debt Instrument [Line Items]                                              
Credit facility, maximum amount           $ 250,000,000                                  
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Second Amendment [Member] | Maximum [Member]                                              
Debt Instrument [Line Items]                                              
Credit facility, maximum amount                         282,500,000       $ 282,500,000            
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Fourth Amendment [Member] | Minimum [Member]                                              
Debt Instrument [Line Items]                                              
Credit facility, maximum amount       $ 282,500,000         282,500,000                            
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Fourth Amendment [Member] | Maximum [Member]                                              
Debt Instrument [Line Items]                                              
Credit facility, maximum amount       $ 330,000,000         330,000,000                            
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Eurodollar [Member] | Minimum [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate       1.75%                                      
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Eurodollar [Member] | Maximum [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate       2.25%                                      
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Eurodollar [Member] | Second Amendment [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate                                     2.50%        
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Base Rate [Member] | Minimum [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate       0.75%                                      
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Base Rate [Member] | Maximum [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate       1.25%                                      
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Base Rate [Member] | Second Amendment [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate                                       1.50%      
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Base Rate [Member] | Second Amendment [Member] | Maximum [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate     1.25%                                        
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Adjusted term SOFR interest periods of one month                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate     0.11%                                        
2018 Credit Facility [Member] | 2018 Term Loan A [Member]                                              
Debt Instrument [Line Items]                                              
Outstanding principal amount               250,000,000                              
Borrowings under the senior secured credit facility                         246,800,000       246,800,000       257,600,000    
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | Level 2 [Member]                                              
Debt Instrument [Line Items]                                              
Outstanding principal amount                         246,000,000       246,000,000       257,000,000    
Debt instrument, fair value                         239,400,000       239,400,000       250,000,000    
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | 2024 Convertible Notes Exceeds 350 Million [Member]                                              
Debt Instrument [Line Items]                                              
Credit facility, maturity date   Sep. 15, 2023                                          
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | Second Amendment [Member]                                              
Debt Instrument [Line Items]                                              
Extended maturity date Mar. 19, 2025                                            
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | Second Amendment [Member] | Minimum [Member]                                              
Debt Instrument [Line Items]                                              
Credit facility, maximum amount           $ 234,400,000                                  
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | Second Amendment [Member] | Maximum [Member]                                              
Debt Instrument [Line Items]                                              
Credit facility, maximum amount                         264,800,000       $ 264,800,000            
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | Fourth Amendment [Member] | Minimum [Member]                                              
Debt Instrument [Line Items]                                              
Credit facility, maximum amount       $ 245,000,000         245,000,000                            
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | Fourth Amendment [Member] | Maximum [Member]                                              
Debt Instrument [Line Items]                                              
Credit facility, maximum amount       $ 286,200,000         $ 286,200,000                            
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | Eurodollar [Member] | Second Amendment [Member] | Maximum [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate     2.25%                                        
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | Base Rate [Member] | Second Amendment [Member] | Minimum [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate     0.75%                                        
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | SOFR | Second Amendment [Member] | Minimum [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate     1.75%                                        
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | 2018 Revolving Credit Facility [Member] | Eurodollar [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate       2.50%   3.00%                                  
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | 2018 Revolving Credit Facility [Member] | Eurodollar [Member] | Minimum [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate                                 1.75%            
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | 2018 Revolving Credit Facility [Member] | Eurodollar [Member] | Maximum [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate                                 2.25%            
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | 2018 Revolving Credit Facility [Member] | Base Rate [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate       1.50%   2.00%                                  
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | 2018 Revolving Credit Facility [Member] | Base Rate [Member] | Minimum [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate                                 0.75%            
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | 2018 Revolving Credit Facility [Member] | Base Rate [Member] | Maximum [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate                                 1.25%            
2018 Credit Facility [Member] | 2018 Term Loan B [Member]                                              
Debt Instrument [Line Items]                                              
Outstanding principal amount               $ 750,000,000                              
Credit facility, maturity date               Aug. 18, 2025                              
Senior secured credit facility, discount percentage               0.25%                              
Senior secured credit facility, discount amount               $ 1,900,000                              
Borrowings under the senior secured credit facility                         654,400,000       $ 654,400,000       658,100,000    
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | Level 2 [Member]                                              
Debt Instrument [Line Items]                                              
Outstanding principal amount                         651,300,000       651,300,000       654,300,000    
Debt instrument, fair value                         $ 634,700,000       $ 634,700,000       $ 638,800,000    
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | 2024 Convertible Notes Exceeds 350 Million [Member]                                              
Debt Instrument [Line Items]                                              
Credit facility, maturity date               Dec. 15, 2023                              
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | Eurodollar [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate         2.75%   2.75% 3.25%                 2.50%            
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | Eurodollar [Member] | Third Amendment [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate                                 2.50%            
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | Base Rate [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate         1.75%   1.75% 2.25%                 1.50%            
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | Base Rate [Member] | Third Amendment [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate                                 1.50%            
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | 2018 Revolving Credit Facility [Member] | Base Rate [Member]                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate     1.50%                                        
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | 2018 Revolving Credit Facility [Member] | SOFR                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate     2.50%                                        
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | 2018 Revolving Credit Facility [Member] | Adjusted term SOFR interest periods of three month                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate     0.26%                                        
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | 2018 Revolving Credit Facility [Member] | Adjusted term Sofr interest periods of six month                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate     0.43%                                        
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | 2018 Revolving Credit Facility [Member] | Adjusted term SOFR interest periods of twelve month                                              
Debt Instrument [Line Items]                                              
Interest rate spread on variable rate     0.72%                                        
Senior Unsecured Notes [Member]                                              
Debt Instrument [Line Items]                                              
Aggregate principal amount of convertible senior notes issued               $ 400,000,000                              
ASU 2020-06 [Member]                                              
Debt Instrument [Line Items]                                              
Accumulated deficit                                           $ 77,600,000