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Other Current Liabilities - Summary of Other Current Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Payables And Accruals [Abstract]    
Accrued expenses $ 16,016 $ 9,089
Salaries, bonuses, commissions and related taxes payable 16,598 17,915
Accrued legal expenses 10,292 8,496
Other payables 3,240 4,094
Total $ 46,146 $ 39,594