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Other Noncurrent Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Other Non Current Liabilities [Line Items]    
Pension and other employee-related $ 6,098 $ 6,206
Penalty payment derivative   239
Other 1,346 1,542
Other noncurrent liabilities $ 7,444 $ 7,987