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Employee Benefit and Stock Plans (Stock Options Outstanting and Exercisable) (Details)	12 Months Ended
	Nov. 30, 2018 $ / shares shares
Stock options outstanding and stock options exercisable
Range of Exercise Price in dollars per share, Minimum	$ 6.32
Range of Exercise Price in dollars per share, Maximum	$ 45.68
Options Outstanding, Options | shares	7,237,544.000
Options Outstanding, Weighted Average Exercise Price in dollars per share	$ 16.02
Options Outstanding, Weighted Average Remaining Contractual Life	4 years 1 day
Options Exercisable, Options | shares	6,948,670.00
Options Exercisable, Weighted Average Exercise Price in dollars per share	$ 16.01
Options Exercisable, Weighted Average Remaining Contractual Life	3 years 9 months 30 days
$ 6.32 to $11.05
Stock options outstanding and stock options exercisable
Range of Exercise Price in dollars per share, Minimum	$ 6.32
Range of Exercise Price in dollars per share, Maximum	$ 11.05
Options Outstanding, Options | shares	1,201,167
Options Outstanding, Weighted Average Exercise Price in dollars per share	$ 6.36
Options Outstanding, Weighted Average Remaining Contractual Life	2 years 10 months 30 days
Options Exercisable, Options | shares	1,201,167
Options Exercisable, Weighted Average Exercise Price in dollars per share	$ 6.36
$11.06 to $14.62
Stock options outstanding and stock options exercisable
Range of Exercise Price in dollars per share, Minimum	11.06
Range of Exercise Price in dollars per share, Maximum	$ 14.62
Options Outstanding, Options | shares	2,048,758
Options Outstanding, Weighted Average Exercise Price in dollars per share	$ 12.99
Options Outstanding, Weighted Average Remaining Contractual Life	4 years 1 day
Options Exercisable, Options | shares	2,048,758
Options Exercisable, Weighted Average Exercise Price in dollars per share	$ 12.99
$14.63 to $16.20
Stock options outstanding and stock options exercisable
Range of Exercise Price in dollars per share, Minimum	14.63
Range of Exercise Price in dollars per share, Maximum	$ 16.20
Options Outstanding, Options | shares	1,906,964
Options Outstanding, Weighted Average Exercise Price in dollars per share	$ 15.14
Options Outstanding, Weighted Average Remaining Contractual Life	4 years 1 month 1 day
Options Exercisable, Options | shares	1,906,964
Options Exercisable, Weighted Average Exercise Price in dollars per share	$ 15.14
$16.21 to $28.10
Stock options outstanding and stock options exercisable
Range of Exercise Price in dollars per share, Minimum	16.21
Range of Exercise Price in dollars per share, Maximum	$ 28.10
Options Outstanding, Options | shares	1,300,596
Options Outstanding, Weighted Average Exercise Price in dollars per share	$ 16.35
Options Outstanding, Weighted Average Remaining Contractual Life	6 years 9 months 1 day
Options Exercisable, Options | shares	1,011,722
Options Exercisable, Weighted Average Exercise Price in dollars per share	$ 16.39
$28.11 to $45.68
Stock options outstanding and stock options exercisable
Range of Exercise Price in dollars per share, Minimum	28.11
Range of Exercise Price in dollars per share, Maximum	$ 45.68
Options Outstanding, Options | shares	780,059
Options Outstanding, Weighted Average Exercise Price in dollars per share	$ 40.46
Options Outstanding, Weighted Average Remaining Contractual Life	9 months 1 day
Options Exercisable, Options | shares	780,059
Options Exercisable, Weighted Average Exercise Price in dollars per share	$ 40.46

X

- Definition

Share based compensation shares authorized under stock option plans by exercise price range.

+ References

No definition available.

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(iii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Weighted average remaining contractual term of exercisable stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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