Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Earnings Per Share (Narrative) (Details) - shares shares in Millions	12 Months Ended
	Nov. 30, 2018	Nov. 30, 2017	Jan. 29, 2013
Debt Instrument [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0.8	1.6
Convertible senior notes due February 1, 2019 at 1.375%
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			1.375%
Convertible Notes Payable [Member] \| Convertible senior notes due February 1, 2019 at 1.375%
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	1.375%