Goodwill and Other Intangible Assets - Other Intangible Assets, Changes in Net Carrying Amount (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013
Disclosure Other Intangible Assets Changes In Net Carrying Amount [Abstract]
Finite-lived Intangible Assets Acquired		$ 55,327
Other Intangible Assets, Gross Amount [Roll Forward]
Other intangible assets, beginning		54,907
Foreign currency translation effect on balances		48
Other intangible assets, ending	110,282	110,282
Other Intangible Assets, Accumulated Amortization [Roll Forward]
Other intangible assets, beginning		(4,015)
Amortization expense	(2,574)	(3,652)
Foreign currency translation effect on balances		52
Other intangible assets, ending	$ (7,615)	$ (7,615)