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Other Accrued Expenses and Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Payables And Accruals [Abstract]    
Accrued restructuring $ 1,867 $ 909
Accrued professional fees 930 973
Income taxes payable 169 532
Other accrued expenses 2,149 2,825
Total $ 5,115 $ 5,239