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Cash, Cash Equivalents and Investments (Fair Value of Debt Securities by Contractual Maturity) (Details) - USD ($) $ in Thousands | Feb. 28, 2017 | Nov. 30, 2016
--- | --- | ---
Investments and Cash [Abstract] |  |
Due in one year or less | $ 22,628 | $ 21,172
Due after one year | 14,657 | 21,546
Total | $ 37,285 | $ 42,718

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- Definition Fair value of debt securities + References No definition available. + Details
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- Definition Fair value of debt securities maturities after one year. + References No definition available. + Details
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- Definition Fair value of debt securities maturities within one year. + References No definition available. + Details
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Namespace Prefix: | prgs_
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Balance Type: | debit
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- References No definition available. + Details
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