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Future Minimum Lease Commitments (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 01, 2012
Future Minimum Payments Under Non-Cancelable Operating Leases With Initial Terms Of One-Year Or More [Line Items]  
Remaining Fiscal 2013 $ 575
2014 717
2015 661
2016 396
2017 22
Thereafter   
Total $ 2,371