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Employee Benefit and Stock Plans (Details 1)	12 Months Ended
	Nov. 30, 2016 $ / 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	$ 69.63
Options Outstanding, Options | shares	12,731,545.000
Options Outstanding, Weighted Average Exercise Price in dollars per share	$ 18.95
Options Outstanding, Weighted Average Remaining Contractual Life	4 years 4 months 15 days
Options Exercisable, Options | shares	10,506,810.00
Options Exercisable, Weighted Average Exercise Price in dollars per share	$ 19.70
Options Exercisable, Weighted Average Remaining Contractual Life	3 years 6 months 1 day
$ 6.32 to $11.06
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	$ 11.06
Options Outstanding, Options | shares	2,771,667
Options Outstanding, Weighted Average Exercise Price in dollars per share	$ 8.33
Options Outstanding, Weighted Average Remaining Contractual Life	4 years 3 months 1 day
Options Exercisable, Options | shares	2,771,667
Options Exercisable, Weighted Average Exercise Price in dollars per share	$ 8.33
$11.07 to $14.95
Stock options outstanding and stock options exercisable
Range of Exercise Price in dollars per share, Minimum	11.07
Range of Exercise Price in dollars per share, Maximum	$ 14.95
Options Outstanding, Options | shares	2,595,011
Options Outstanding, Weighted Average Exercise Price in dollars per share	$ 14.60
Options Outstanding, Weighted Average Remaining Contractual Life	8 years 1 month 1 day
Options Exercisable, Options | shares	1,370,933
Options Exercisable, Weighted Average Exercise Price in dollars per share	$ 14.41
$14.96 to $16.69
Stock options outstanding and stock options exercisable
Range of Exercise Price in dollars per share, Minimum	14.96
Range of Exercise Price in dollars per share, Maximum	$ 16.69
Options Outstanding, Options | shares	2,668,775
Options Outstanding, Weighted Average Exercise Price in dollars per share	$ 15.94
Options Outstanding, Weighted Average Remaining Contractual Life	6 years 2 months 1 day
Options Exercisable, Options | shares	1,668,118
Options Exercisable, Weighted Average Exercise Price in dollars per share	$ 15.78
$16.70 to $28.10
Stock options outstanding and stock options exercisable
Range of Exercise Price in dollars per share, Minimum	16.70
Range of Exercise Price in dollars per share, Maximum	$ 28.10
Options Outstanding, Options | shares	2,609,550
Options Outstanding, Weighted Average Exercise Price in dollars per share	$ 23.24
Options Outstanding, Weighted Average Remaining Contractual Life	1 year 2 months 1 day
Options Exercisable, Options | shares	2,609,550
Options Exercisable, Weighted Average Exercise Price in dollars per share	$ 23.24
$28.11 to $69.63
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	$ 69.63
Options Outstanding, Options | shares	2,086,542
Options Outstanding, Weighted Average Exercise Price in dollars per share	$ 36.97
Options Outstanding, Weighted Average Remaining Contractual Life	1 year 11 months 1 day
Options Exercisable, Options | shares	2,086,542
Options Exercisable, Weighted Average Exercise Price in dollars per share	$ 36.97

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=6415400&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=6415400&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=6415400&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=6415400&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=6415400&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=6415400&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=6415400&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)
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