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Description of Business and Summary of Significant Accounting Policies - Estimated Useful Lives of Property and Equipment (Detail)
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12 Months Ended |
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Nov. 30, 2013
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Furniture and Equipment [Member] | Minimum [Member]
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| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives | 3 years |
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Furniture and Equipment [Member] | Maximum [Member]
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| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives | 10 years |
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Leasehold Improvements [Member] | Minimum [Member]
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| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives | 8 years |
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Leasehold Improvements [Member] | Maximum [Member]
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| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives | 10 years |
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Computer Software - Internal Use [Member] | Minimum [Member]
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| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives | 1 year |
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Computer Software - Internal Use [Member] | Maximum [Member]
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| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives | 5 years |