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Intangibles - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Intangible Assets Disclosure [Line Items]          
Trade names $ 583,700   $ 583,700   $ 510,500
Intangible assets, amortization expense $ 8,645 $ 5,339 $ 27,039 $ 16,100  
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)     17 years    
Other Intangibles          
Intangible Assets Disclosure [Line Items]          
Intangible assets, weighted average useful life (years)     15 years