Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Oct. 31, 2015
Goodwill and Intangible Assets Disclosure [Line Items]
Reporting unit, percentage of fair value in excess of carrying amount				70.00%
Amortization of intangible assets	$ 42,426	$ 43,187	$ 44,327
Expected amortization expense, 2016	42,900
Expected amortization expense, 2017	34,400
Expected amortization expense, 2018	24,300
Expected amortization expense, 2019	19,800
Expected amortization expense, 2020	$ 18,600
Banjo Trade Name
Goodwill and Intangible Assets Disclosure [Line Items]
Reporting unit, percentage of fair value in excess of carrying amount				20.00%
IOP [Member]
Goodwill and Intangible Assets Disclosure [Line Items]
Reporting unit, percentage of fair value in excess of carrying amount				20.00%