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Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified | Aug. 31, 2013 | Nov. 30, 2012
--- | --- | ---
Assets |  |
Allowance for accounts receivable (in dollars) | $ 2,392 | $ 3,024
Stockholders' Equity: |  |
Preferred stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Preferred stock, shares authorized | 1,000,000 | 1,000,000
Preferred stock, shares issued | 0 | 0
Common stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Common stock, shares authorized | 200,000,000 | 200,000,000
Common stock, shares issued | 52,311,645 | 59,594,961
Common stock, shares outstanding | 52,311,645 | 59,594,961
Accumulated other comprehensive losses (in dollars) | $ (14,676) | $ (10,764)

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