Compensation Plans - TBS, PBS, and MBS Award Activity (Details) (USD $)	12 Months Ended
Nov. 30, 2014
TBS Awards
Shares
Shares Outstanding Beginning Balance	3,026,701
Shares Granted	1,184,099
Shares Vested	(862,232)
Shares Forfeited	(138,518)
Shares Outstanding Ending Balance	3,210,050
Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Outstanding Beginning Balance (USD per share)	$ 37.01
Weighted-Average Grant Date Fair Value, Granted (USD per share)	$ 41.89
Weighted-Average Grant Date Fair Value, Vested (USD per share)	$ 45.97
Weighted-Average Grant Date Fair Value, Forfeited (USD per share)	$ 39.27
Weighted-Average Grant Date Fair Value, Outstanding Ending Balance (USD per share)	$ 36.30
PBS Awards
Shares
Shares Outstanding Beginning Balance	510,839
Shares Granted	228,506
Shares Vested	(31,698)
Shares Forfeited	(134,860)
Shares Outstanding Ending Balance	572,787
Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Outstanding Beginning Balance (USD per share)	$ 35.91
Weighted-Average Grant Date Fair Value, Granted (USD per share)	$ 36.63
Weighted-Average Grant Date Fair Value, Vested (USD per share)	$ 33.29
Weighted-Average Grant Date Fair Value, Forfeited (USD per share)	$ 42.40
Weighted-Average Grant Date Fair Value, Outstanding Ending Balance (USD per share)	$ 34.82
MBS award
Shares
Shares Outstanding Beginning Balance	93,457
Shares Granted	176,763
Shares Vested	0
Shares Forfeited	0
Shares Outstanding Ending Balance	270,220
Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Outstanding Beginning Balance (USD per share)	$ 47.03
Weighted-Average Grant Date Fair Value, Granted (USD per share)	$ 73.14
Weighted-Average Grant Date Fair Value, Vested (USD per share)	$ 0.00
Weighted-Average Grant Date Fair Value, Forfeited (USD per share)	$ 0.00
Weighted-Average Grant Date Fair Value, Outstanding Ending Balance (USD per share)	$ 64.11

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ 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)(iv)(3)

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ 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)(2)(iii)(3)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ 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)(2)(iii)(1)

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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

-Publisher FASB

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ 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)(2)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

+ 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)(2)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ 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)(2)(iii)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

+ 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)(2)(iii)(2)

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