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Other Current Liabilities - Schedule of Other Current Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Other Liabilities Disclosure [Abstract]    
Customer-related liabilities $ 10,610 $ 13,444
Income taxes payable 1,063 70
Accrued sales commissions 1,648 2,146
Other 8,399 8,813
Other current liabilities $ 21,720 $ 24,473