Goodwill and Intangibles - Carrying Amount of Goodwill by Reportable Operating Segment (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 167,441
Foreign exchange translation	447
Goodwill, Ending Balance	167,888	$ 167,441
North America [Member]
Goodwill [Line Items]
Goodwill, Acquired During Period		7,175
Goodwill [Roll Forward]
Goodwill, Beginning Balance	121,996
Foreign exchange translation	30
Goodwill, Ending Balance	122,026	121,996
Europe [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	10,753
Foreign exchange translation	128
Goodwill, Ending Balance	10,881	10,753
Asia Pacific [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	34,692
Foreign exchange translation	289
Goodwill, Ending Balance	$ 34,981	$ 34,692