Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 340,338	$ 252,520	$ 260,134
Intangible Assets
Acquired Finite-Lived Intangible Assets [Line Items]
Future amortization expense, 2016	8,000
Future amortization expense, 2017	7,500
Future amortization expense, 2018	6,100
Future amortization expense, 2019	6,000
Future amortization expense, 2020	6,000
North American
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill	197,900
European
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill	140,700
International
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 1,700