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Business Segments and International Operations (Revenue from External Customers by Revenue Type) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Nov. 30, 2014 | Aug. 31, 2014 | May 31, 2014 | Feb. 28, 2014 | Nov. 30, 2013 | Aug. 31, 2013 | May 31, 2013 | Feb. 28, 2013 | Nov. 30, 2014 | Nov. 30, 2013 | Nov. 30, 2012
Segment Reporting [Abstract] |  |  |  |  |  |  |  |  |  |  |
Software licenses |  |  |  |  |  |  |  |  | $ 117,801 us-gaap_LicensesRevenue | $ 122,312 us-gaap_LicensesRevenue | $ 106,626 us-gaap_LicensesRevenue
Maintenance |  |  |  |  |  |  |  |  | 202,496 us-gaap_MaintenanceRevenue | 202,857 us-gaap_MaintenanceRevenue | 202,691 us-gaap_MaintenanceRevenue
Professional services |  |  |  |  |  |  |  |  | 12,236 us-gaap_TechnologyServicesRevenue | 8,827 us-gaap_TechnologyServicesRevenue | 8,295 us-gaap_TechnologyServicesRevenue
Total revenue | $ 97,894 us-gaap_SalesRevenueNet | $ 79,274 us-gaap_SalesRevenueNet | $ 80,827 us-gaap_SalesRevenueNet | $ 74,538 us-gaap_SalesRevenueNet | $ 90,980 us-gaap_SalesRevenueNet | $ 77,578 us-gaap_SalesRevenueNet | $ 81,705 us-gaap_SalesRevenueNet | $ 83,733 us-gaap_SalesRevenueNet | $ 332,533 us-gaap_SalesRevenueNet | $ 333,996 us-gaap_SalesRevenueNet | $ 317,612 us-gaap_SalesRevenueNet

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- Definition Revenue earned during the period relating to consideration received from another party for the right to use, but not own, certain of the entity's intangible assets. Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark. Licensing fees are generally, but not always, fixed as to amount and not dependent upon the revenue generated by the licensing party. An entity may receive licensing fees for licenses that also generate royalty payments to the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(e)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_LicensesRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Revenue derived from maintenance services provided under contracts or arrangements with clients. For example, it may include the maintenance of software, plant and equipment, and facilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(d)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_MaintenanceRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
Name: | us-gaap_SalesRevenueNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | us-gaap_SegmentReportingAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Revenue from providing technology services. The services may include training, installation, engineering or consulting. Consulting services often include implementation support, software design or development, or the customization or modification of the licensed software. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(d)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 605 -Section 25 -Paragraph 76 -URI http://asc.fasb.org/extlink&oid=22169047&loc=d3e132428-111767 + Details
Name: | us-gaap_TechnologyServicesRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration