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Fair Value Measurements (Quantitative Information about Unobservable Inputs, Liabilities) (Details) (Contingent Consideration [Member])	3 Months Ended
	Feb. 28, 2015
Rollbase [Member]
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Probability milestones associated with contingent consideration will be achieved	95.00%prgs_FairValueInputsProbabilityOfAchievement / us-gaap_BusinessAcquisitionAxis = prgs_RollbaseMember / us-gaap_FairValueByLiabilityClassAxis = prgs_ContingentConsiderationMember
Contingent consideration, discount rate	4.80%us-gaap_FairValueInputsDiscountRate / us-gaap_BusinessAcquisitionAxis = prgs_RollbaseMember / us-gaap_FairValueByLiabilityClassAxis = prgs_ContingentConsiderationMember
Modulus [Member]
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Probability milestones associated with contingent consideration will be achieved	70.00%prgs_FairValueInputsProbabilityOfAchievement / us-gaap_BusinessAcquisitionAxis = prgs_ModulusMember / us-gaap_FairValueByLiabilityClassAxis = prgs_ContingentConsiderationMember
Contingent consideration, discount rate	33.00%us-gaap_FairValueInputsDiscountRate / us-gaap_BusinessAcquisitionAxis = prgs_ModulusMember / us-gaap_FairValueByLiabilityClassAxis = prgs_ContingentConsiderationMember

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- Definition

Fair Value Inputs, Probability of Achievement

+ References

No definition available.

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- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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