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Goodwill and Intangibles - Estimated Future Amortization Expense Related to Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Feb. 28, 2014
Goodwill and Intangible Assets Disclosure [Abstract]  
2014 (remaining) $ 41
2015 129
2016 118
2017 118
2018 97
Customer relationships, Net Carrying Amount $ 503