Annual report pursuant to Section 13 and 15(d)

Business and Credit Concentrations - Additional Information (Detail)

v3.19.3.a.u2
Business and Credit Concentrations - Additional Information (Detail)
$ in Millions
 12 Months Ended
Dec. 31, 2019
USD ($)
Customer
Dec. 31, 2018
USD ($)
Customer
Dec. 31, 2017
USD ($)
Customer
Concentration Risk [Line Items]      
Credit losses attributable to write-offs (recoveries) $ 31.6 $ 8.0 $ 12.8
Sales return expense $ 46.1 $ 20.2 $ 5.6
Sales [Member] | Customer Concentration Risk [Member]      
Concentration Risk [Line Items]      
Number of customers accounting for more than 10% | Customer 0 0 0
Number of largest customers | Customer 5 5 5
Percentage of concentration risk 9.60% 10.40% 10.50%
Net Trade Receivable [Member] | Credit Concentration Risk [Member]      
Concentration Risk [Line Items]      
Number of customers accounting for more than 10% | Customer 0 0  
Domestic [Member]      
Concentration Risk [Line Items]      
Accounts receivable $ 228.5 $ 213.7  
Non-US [Member]      
Concentration Risk [Line Items]      
Accounts receivable 440.9 313.8  
International sales 3,022,600.0 2,514,000.0 $ 2,108,700.0
Net total assets held outside the United States $ 2,643,800.0 $ 1,611,200.0