Goodwill and Other Intangible Assets Other Intangible Assets, Changes in Net Carrying Amount (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Disclosure Other Intangible Assets Changes In Net Carrying Amount [Abstract]
Finite-lived Intangible Assets Acquired	$ 57,388,000	$ 20,369,000
Other Intangible Assets, Gross Amount [Roll Forward]
Other intangible assets, beginning	54,907,000	34,256,000
Currency translation effect on foreign balances	3,984,000	282,000
Other intangible assets, ending	116,279,000	54,907,000
Other Intangible Assets, Accumulated Amortization [Roll Forward]
Other intangible assets, beginning	(4,015,000)	(1,206,000)
Amortization expense	(9,178,000)	(2,787,000)
Currency translation effect on foreign balances	(75,000)	(22,000)
Other intangible assets, ending	$ (13,268,000)	$ (4,015,000)