Goodwill and Other Intangible Assets, Net - Schedule of Other Intangible Assets, Net (Detail) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Total carrying value	$ 458,486	$ 463,085
Total accumulated amortization	(173,878)	(157,081)
Other intangible assets, net	284,608	306,004
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Total carrying value	290,838	293,799
Total accumulated amortization	(77,935)	(66,324)
Trade names & patents
Finite-Lived Intangible Assets [Line Items]
Total carrying value	31,718	34,182
Total accumulated amortization	(11,743)	(10,282)
Technological know-how
Finite-Lived Intangible Assets [Line Items]
Total carrying value	111,842	112,393
Total accumulated amortization	(67,279)	(65,258)
Other
Finite-Lived Intangible Assets [Line Items]
Total carrying value	24,088	22,711
Total accumulated amortization	$ (16,921)	$ (15,217)