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Cash, Cash Equivalents and Investments (Summary Of Cash, Cash Equivalents And Trading And Available-For-Sale Investments) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Nov. 30, 2013	Feb. 28, 2014
Cash, Cash Equivalents and Investments [Line Items]
Amortized Cost Basis	$ 260,406	$ 276,628
Realized Losses	(380)
Unrealized Gains	164	171
Unrealized Losses	(3,989)	(3,640)
Fair Value	256,201	273,159
State and municipal bond obligations [Member]
Cash, Cash Equivalents and Investments [Line Items]
Amortized Cost Basis	30,938	28,522
Realized Losses	0
Unrealized Gains	164	171
Unrealized Losses	0	0
Fair Value	31,102	28,693
Auction rate securities - municipal bonds [Member]
Cash, Cash Equivalents and Investments [Line Items]
Amortized Cost Basis	27,150	25,250
Realized Losses	(380)
Unrealized Gains	0	0
Unrealized Losses	(3,317)	(3,017)
Fair Value	23,453	22,233
Auction rate securities - student loans [Member]
Cash, Cash Equivalents and Investments [Line Items]
Amortized Cost Basis	3,500	3,500
Realized Losses	0
Unrealized Gains	0	0
Unrealized Losses	(672)	(623)
Fair Value	2,828	2,877
Cash [Member]
Cash, Cash Equivalents and Investments [Line Items]
Amortized Cost Basis	144,305	160,799
Fair Value	144,305	160,799
Money market funds [Member]
Cash, Cash Equivalents and Investments [Line Items]
Amortized Cost Basis	54,513	58,557
Fair Value	$ 54,513	$ 58,557

X

- Definition

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

No definition available.

+ Details

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Namespace Prefix:	prgs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

No definition available.

+ Details

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Namespace Prefix:	prgs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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X

- Definition

Cash, Cash Equivalents, And Investments, Cost Basis.

+ References

No definition available.

+ Details

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Namespace Prefix:	prgs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Fair value of cash, cash equivalent and investements

+ References

No definition available.

+ Details

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Namespace Prefix:	prgs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

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Namespace Prefix:	prgs_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 9

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563

+ Details

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