Goodwill and Other Intangible Assets Other Intangible Assets, Changes in Net Carrying Amount (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Other Intangible Assets, Gross Amount [Roll Forward]
Other intangible assets, beginning of period	$ 116,279
Foreign currency translation effect on balances	(169)
Other intangible assets, end of period	116,110
Other Intangible Assets, Accumulated Amortization [Roll Forward]
Other intangible assets, beginning of period	(13,268)
Amortization expense	(2,745)	(1,078)
Foreign currency translation effect on balances	16
Other intangible assets, end of period	$ (15,997)