Other Intangible Assets, Net - Schedule of Other Intangible Assets, Net (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015		Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Gross carrying value	$ 218,676	[1]	$ 218,676	[1]
Accumulated amortization	(143,959)		(142,119)
Total	$ 74,717		$ 76,557

[1] Includes patents, trademarks, technological know-how and other intellectual property, valued at acquisition.