Percentage Of Tax Benefit Realized Upon Ultimate Settlement With Taxing Authority

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Summary Of Significant Accounting Policies [Line Items]

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
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-Publisher FASB
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-Section S99
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 14
-Article 5

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- Definition

Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 45
-Paragraph 1
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The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
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-Section 45
-Paragraph 28
-Subparagraph (b)
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Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 360
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- Definition

Carrying amount of reserve for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs, which is expected to be paid within one year of the date of the statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.25)
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-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 25
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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Summary of Significant Accounting Policies (Detail) - USD ($) $ in Millions	3 Months Ended	9 Months Ended	12 Months Ended
	Feb. 28, 2013	Nov. 30, 2013	Nov. 30, 2015	Nov. 30, 2014
Summary Of Significant Accounting Policies [Line Items]
Furniture, fixtures and equipment under capital leases			$ 365.8	$ 351.1
Leasehold improvements			190.5	156.9
Accumulated depreciation and amortization			312.8	256.0
Depreciation and amortization	$ 12.9	$ 38.8	$ 78.7	$ 58.0
Percentage of tax benefit realized upon ultimate settlement with taxing authority			50.00%
Investigation reserve			$ 0.5
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful life of premises and equipment			3 years
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful life of premises and equipment			10 years