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Intangibles - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Intangible Assets Disclosure [Line Items]          
Trade names $ 553,300   $ 553,300   $ 510,500
Intangible assets, amortization expense $ 9,350 $ 5,466 $ 18,394 $ 10,761  
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)     16 years