Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Additional Information (Detail)

v3.19.3
Significant Accounting Policies - Additional Information (Detail)
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2018
USD ($)
Sep. 30, 2019
USD ($)
Sep. 30, 2018
USD ($)
Sep. 30, 2019
USD ($)
Segment
Product
Sep. 30, 2018
USD ($)
Dec. 31, 2018
USD ($)
Jan. 01, 2019
USD ($)
Subsidiary or Equity Method Investee [Line Items]              
Total operating lease liabilities [1]   $ 198,800,000   $ 198,800,000      
Total operating lease right-of-use assets   181,900,000   181,900,000      
Credit card receivables   76,700,000   76,700,000   $ 52,700,000  
Bad-debt expense   1,200,000 $ 200,000 2,300,000 $ 700,000    
Allowance for doubtful accounts   2,400,000   2,400,000   1,500,000  
Allowances for product returns       $ 4,700,000   4,900,000  
Number of geographic regions | Segment       6      
Number of product categories | Product       5      
Other operating income   6,400,000 6,000,000.0 $ 33,700,000 23,900,000    
Loss on extinguishment of debt         48,500,000    
October 2017 Dutch Auction Tender Offer [Member]              
Subsidiary or Equity Method Investee [Line Items]              
Gain (loss) recognized in other expense   1,300,000 4,600,000 15,700,000 (11,400,000)    
Convertible Senior Notes Due 2019 [Member] | Repurchase of 2019 Convertible Notes [Member]              
Subsidiary or Equity Method Investee [Line Items]              
Loss on extinguishment of debt $ 13,100,000       13,100,000    
Repurchase of convertible notes $ 475,000,000.0       475,000,000.0    
Other Expense (Income), Net [Member] | 2017 Credit Facility [Member]              
Subsidiary or Equity Method Investee [Line Items]              
Loss on extinguishment of debt     35,400,000   35,400,000 $ 35,400,000  
China [Member]              
Subsidiary or Equity Method Investee [Line Items]              
Other operating income   $ 6,400,000 $ 6,000,000.0 27,700,000 $ 23,900,000    
Mexico [Member] | Other Operating Income [Member]              
Subsidiary or Equity Method Investee [Line Items]              
Insurance recoveries       $ 6,000,000.0      
Accounting Standards Update 2016-02 [Member]              
Subsidiary or Equity Method Investee [Line Items]              
Total operating lease liabilities             $ 189,100,000
Total operating lease right-of-use assets             $ 176,900,000
[1] Operating lease payments exclude $3.7 million of legally binding minimum lease payments for leases signed but not yet commenced.