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Nature Of Business And Summary Of Significant Accounting Policies (Allowances Against Accounts Receivable) (Details) (Allowance for Doubtful Accounts [Member], USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Nov. 30, 2013 | Nov. 30, 2012 | Nov. 30, 2011
Allowance for Doubtful Accounts [Member] |  |  |
Allowance for Doubtful Accounts Receivable [Roll Forward] |  |  |
Beginning balance | $ 2,278 | $ 5,495 | $ 3,769
Charge to costs and expenses | 649 | 1,031 | 1,963
Write-offs and other | (688) | (4,543) | (94)
Translation adjustments | (11) | (295) | 143
Ending balance | $ 2,250 | $ 2,278 | $ 5,495

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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
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- Definition Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
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