Balances of Intangible Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Intangible Assets Excluding Goodwill [Line Items]
Gross Intangible Assets	$ 205,501	$ 206,045
Accumulated Amortization	(111,096)	(91,429)
Net Intangible Assets	$ 94,405	$ 114,616
Tradenames and Trademarks
Intangible Assets Excluding Goodwill [Line Items]
Weighted Average Amortization Period	20 years	20 years
Gross Intangible Assets	$ 37,894	$ 37,894
Accumulated Amortization	(11,864)	(9,970)
Net Intangible Assets	$ 26,030	$ 27,924
Customer relationships
Intangible Assets Excluding Goodwill [Line Items]
Weighted Average Amortization Period	10 years	10 years
Gross Intangible Assets	$ 151,090	$ 151,634
Accumulated Amortization	(92,686)	(76,340)
Net Intangible Assets	$ 58,404	$ 75,294
Technology
Intangible Assets Excluding Goodwill [Line Items]
Weighted Average Amortization Period	12 years	12 years
Gross Intangible Assets	$ 16,517	$ 16,517
Accumulated Amortization	(6,546)	(5,119)
Net Intangible Assets	$ 9,971	$ 11,398