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Intangible Assets And Goodwill (Narrative) (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2014 Segments | Nov. 30, 2014 | Nov. 30, 2013 | Nov. 30, 2012
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Goodwill | $ 232,836,000 us-gaap_Goodwill | $ 232,836,000 us-gaap_Goodwill | $ 224,286,000 us-gaap_Goodwill | $ 226,110,000 us-gaap_Goodwill
Intangible assets, amortization expense |  | 3,700,000 us-gaap_AmortizationOfIntangibleAssets | 2,100,000 us-gaap_AmortizationOfIntangibleAssets | 1,500,000 us-gaap_AmortizationOfIntangibleAssets
Number of reportable segments | 3 us-gaap_NumberOfReportableSegments |  |  |
Goodwill impairment loss |  | 0 us-gaap_GoodwillImpairmentLoss | 0 us-gaap_GoodwillImpairmentLoss | 0 us-gaap_GoodwillImpairmentLoss
OpenEdge [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Goodwill | 212,200,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = prgs_OpenEdgeMember | 212,200,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = prgs_OpenEdgeMember |  |
Data Connectivity [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Goodwill | 19,000,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = prgs_DataConnectivityMember | 19,000,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = prgs_DataConnectivityMember |  |
Application Development and Deployment [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Goodwill | $ 1,500,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = prgs_ApplicationDevelopmentandDeploymentMember | $ 1,500,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = prgs_ApplicationDevelopmentandDeploymentMember |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
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