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Consolidated Statements Of Cash Flows (Parenthetical) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Nov. 30, 2013 | Nov. 30, 2012 | Nov. 30, 2011
Statement of Cash Flows [Abstract] |  |  |
Proceeds from Income Tax Refunds | $ 4,453 | $ 1,987 | $ 9,183

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