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Intangibles - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Intangible Assets Disclosure [Line Items]      
Trade names $ 624,600   $ 582,800
Intangible assets, amortization expense $ 27,442 $ 10,352  
Trade Names      
Intangible Assets Disclosure [Line Items]      
Trade names, useful life 5 years    
Patents      
Intangible Assets Disclosure [Line Items]      
Intangible assets, weighted average useful life (years) 10 years    
Customer relationships      
Intangible Assets Disclosure [Line Items]      
Intangible assets, weighted average useful life (years) 18 years    
Other Intangibles      
Intangible Assets Disclosure [Line Items]      
Intangible assets, weighted average useful life (years) 13 years