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Other Noncurrent Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Other Non Current Liabilities [Line Items]    
Pension and other employee-related accrued expenses $ 6,149 $ 6,206
Penalty payment derivative   239
Other 1,972 1,542
Other noncurrent liabilities $ 8,121 $ 7,987