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Goodwill and Intangible Assets - Finite Lived Intangible Assets Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Intangible Liability Disclosure [Abstract]    
Intangible assets - finite life, Beginning of period $ 46,813 $ 1,283
Amortization expense (1,838) (159)
Acquisitions/Purchase accounting adjustments (202) 3,271
Foreign currency adjustments (27) (15)
Intangible assets - finite life, End of period $ 44,746 $ 4,380