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Intangible Assets (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Intangible Assets [Line Items]    
Indefinite lived intangible assets - Trade names, trademarks and distribution rights $ 140,867 $ 138,647
Finite lived intangible assets:    
Accumulated amortization (55,329) (49,384)
Finite lived intangible assets, net 29,062 33,357
Intangible assets, net 169,929 172,004
Customer Relationships    
Finite lived intangible assets:    
Finite lived intangible assets $ 81,527 79,911
Customer Relationships | Maximum    
Intangible Assets [Line Items]    
Finite lived intangible assets, Estimated Useful lives, years 18 years  
Customer Relationships | Minimum    
Intangible Assets [Line Items]    
Finite lived intangible assets, Estimated Useful lives, years 7 years  
Trade Name    
Intangible Assets [Line Items]    
Finite lived intangible assets, Estimated Useful lives, years 10 years  
Finite lived intangible assets:    
Finite lived intangible assets $ 1,150 1,150
Patented And Unpatented Technology [Member]    
Intangible Assets [Line Items]    
Finite lived intangible assets, Estimated Useful lives, years 7 years  
Finite lived intangible assets:    
Finite lived intangible assets $ 1,714 $ 1,680