Goodwill and Intangibles - Carrying Amount of Goodwill by Reportable Operating Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 139,701
Foreign exchange translation	(383)
Goodwill, Ending Balance	139,318
North America [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	119,870
Foreign exchange translation	(236)
Goodwill, Ending Balance	119,634
Europe [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	14,460
Foreign exchange translation	(7)
Goodwill, Ending Balance	14,453
South America [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	0
Foreign exchange translation	0
Goodwill, Ending Balance	0
Asia Pacific [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	5,371
Foreign exchange translation	(140)
Goodwill, Ending Balance	$ 5,231