Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Additional Information (Detail)

v3.24.3
Long-Term Debt - Additional Information (Detail)
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Aug. 16, 2018
USD ($)
Apr. 30, 2024
USD ($)
May 31, 2021
USD ($)
May 31, 2020
USD ($)
Sep. 30, 2024
USD ($)
Jun. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Dec. 31, 2022
USD ($)
Days
$ / shares
Dec. 31, 2023
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Debt Instrument [Line Items]                          
Outstanding principal amount         $ 2,337,500,000     $ 2,337,500,000          
Credit facility, amount borrowed               1,144,500,000          
Gain on extinguishment of debt               (10,500,000) $ 1,000,000        
Interest expense         59,400,000   $ 41,700,000 161,400,000 124,600,000        
Letters of credit issued but undrawn         143,100,000     143,100,000          
4.250% Convertible Senior Notes Due 2028 [Member]                          
Debt Instrument [Line Items]                          
Outstanding principal amount         277,500,000     277,500,000   $ 277,500,000 $ 277,500,000    
Deferred financing costs                   8,500,000      
Aggregate principal amount of senior notes issued                   250,000,000      
Convertible debt underwriters over allotment option fully exercised                   37,500,000      
Interest expense         3,300,000   3,300,000 10,600,000 9,900,000        
Amortization of deferred financing costs         $ 400,000   300,000 $ 1,100,000 1,000,000        
Additional principal amount of convertible notes                   $ 27,500,000      
Convertible notes, interest rate         4.25%     4.25%   4.25%      
Line of credit 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         $ 205,400,000     $ 205,400,000     320,900,000    
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         6,000,000     $ 6,000,000     7,000,000    
Convertible senior notes, carrying value         271,500,000     271,500,000     270,500,000    
7.875% Senior Notes Due 2025 [Member]                          
Debt Instrument [Line Items]                          
Outstanding principal amount         262,300,000     262,300,000     600,000,000    
Deferred financing costs         700,000     700,000     2,900,000   $ 7,900,000
Aggregate principal amount of senior notes issued   $ 300,000,000   $ 600,000,000                  
Debt instrument , Purchase Price   309,100,000                      
Accrued interest   3,200,000                      
Reduction to long term debt   298,800,000                      
Gain on extinguishment of debt   7,100,000       $ 900,000              
Interest expense         5,300,000   12,200,000 24,300,000 36,600,000        
Amortization of deferred financing costs         $ 200,000   300,000 $ 800,000 1,100,000        
Convertible notes, interest rate       7.875% 7.875%     7.875%          
Line of credit maturity       Sep. 01, 2025       Jan. 09, 2025          
Carrying amount         $ 261,600,000     $ 261,600,000     597,100,000    
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         261,700,000     261,700,000     596,800,000    
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         4,900,000     4,900,000     5,500,000 $ 7,700,000  
Aggregate principal amount of senior notes issued     $ 600,000,000                    
Interest expense         7,500,000   7,500,000 22,600,000 22,600,000        
Amortization of deferred financing costs         $ 200,000   200,000 $ 700,000 600,000        
Convertible notes, interest rate     4.875%   4.875%     4.875%          
Line of credit maturity     Jun. 01, 2029         Jan. 06, 2029          
Carrying amount         $ 595,100,000     $ 595,100,000     594,500,000    
Fair value of notes         $ 386,400,000     $ 386,400,000     471,600,000    
4.875% Senior Notes Due 2029 [Member] | Debt Issuance Costs [Member]                          
Debt Instrument [Line Items]                          
Deferred financing costs                       $ 7,700,000  
SOFR                          
Debt Instrument [Line Items]                          
Base rate interest rate floor               0.00%          
2018 Revolving Credit Facility [Member]                          
Debt Instrument [Line Items]                          
Line of credit maturity               Mar. 19, 2025          
2018 Term Loan A [Member]                          
Debt Instrument [Line Items]                          
Line of credit maturity               Mar. 19, 2025          
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 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 Term Loan A [Member] | 2018 Revolving Credit Facility [Member] | SOFR | Minimum [Member]                          
Debt Instrument [Line Items]                          
Interest rate spread on variable rate               1.75%          
2018 Term Loan A [Member] | 2018 Revolving Credit Facility [Member] | SOFR | Maximum [Member]                          
Debt Instrument [Line Items]                          
Interest rate spread on variable rate               2.25%          
2018 Term Loan B [Member]                          
Debt Instrument [Line Items]                          
Line of credit maturity               Aug. 18, 2025          
Separately 2025 Senior Notes [Member]                          
Debt Instrument [Line Items]                          
Aggregate principal amount of senior notes issued   37,700,000                      
Debt instrument , Purchase Price   38,900,000                      
Accrued interest   500,000                      
Senior notes carrying value   $ 37,500,000                      
2018 Credit Facility [Member]                          
Debt Instrument [Line Items]                          
Credit facility, maximum amount $ 1,250,000,000                        
Credit facility, amount borrowed                 195,000,000        
Interest expense             19,500,000   54,700,000        
Amortization of deferred financing costs             $ 600,000   $ 1,600,000        
2018 Credit Facility [Member] | Base Rate [Member]                          
Debt Instrument [Line Items]                          
Base rate interest rate floor               1.00%          
2018 Credit Facility [Member] | Federal Funds Rate [Member]                          
Debt Instrument [Line Items]                          
Interest rate spread on variable rate               0.50%          
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                        
Credit facility, amount borrowed               $ 200,000,000          
Letters of credit issued but undrawn                     45,000,000    
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%                        
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%                        
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Fourth Amendment [Member]                          
Debt Instrument [Line Items]                          
Credit facility, maximum amount $ 330,000,000                        
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                        
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | Level 2 [Member]                          
Debt Instrument [Line Items]                          
Outstanding principal amount                     235,500,000    
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | Fourth Amendment [Member]                          
Debt Instrument [Line Items]                          
Credit facility, maximum amount 286,200,000                        
2018 Credit Facility [Member] | 2018 Term Loan B [Member]                          
Debt Instrument [Line Items]                          
Outstanding principal amount $ 750,000,000                        
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | Level 2 [Member]                          
Debt Instrument [Line Items]                          
Outstanding principal amount                     $ 648,200,000    
2018 Credit Facility [Member] | 2018 Term Loan B [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] | 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%