Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Additional Information (Detail)

v3.21.1
Significant Accounting Policies - Additional Information (Detail)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2021
USD ($)
Product
Segment
Mar. 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
Subsidiary or Equity Method Investee [Line Items]      
Credit card receivables $ 82.4   $ 65.2
Bad-debt expense 0.3 $ 0.4  
Allowance for doubtful accounts 3.1   3.3
Allowances for product returns $ 3.8   $ 3.7
Number of geographic regions | Segment 6    
Number of product categories | Product 5    
Other operating income $ 15.9 9.1  
China [Member]      
Subsidiary or Equity Method Investee [Line Items]      
Other operating income $ 15.9 $ 9.1