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Estimated Future Amortization Expense Related to Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Nov. 30, 2013
Schedule Of Estimated Future Amortization Expense [Line Items]  
2014 (remaining) $ 82
2015 129
2016 118
2017 118
2018 97
Customer relationships, Net Carrying Amount $ 544