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Fair Value Measurements (Quantitative Information about Unobservable Inputs) (Details)
 12 Months Ended
Nov. 30, 2014
Contingent Consideration [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Contingent consideration, discount rate 4.80%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByLiabilityClassAxis
= prgs_ContingentConsiderationMember
Minimum [Member] | Contingent Consideration [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Probability milestones associated with contingent consideration will be achieved 95.00%prgs_FairValueInputsProbabilityOfAchievement
/ us-gaap_FairValueByLiabilityClassAxis
= prgs_ContingentConsiderationMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Modulus [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Contingent consideration, discount rate 33.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_BusinessAcquisitionAxis
= prgs_ModulusMember
Modulus [Member] | Minimum [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Probability milestones associated with contingent consideration will be achieved 75.00%prgs_FairValueInputsProbabilityOfAchievement
/ us-gaap_BusinessAcquisitionAxis
= prgs_ModulusMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember