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Restructuring and Other Charges - Reconciliation of the Charges Accrued Under Other Accrued Expenses (Detail) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2013
Reconciliation of the charges accrued under other accrued expenses  
Balance, December 31, 2012 $ 1,400
Restructuring costs 602
Less: Payments & non-cash charges (1,576)
Balance, June 30, 2013 $ 426