Summary of Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified	Jul. 28, 2012	Jan. 28, 2012	Jul. 30, 2011
Impaired Intangible Assets [Line Items]
Carrying amount, end of period	$ 44.7	$ 50.3	$ 56.3
Indefinite-lived trademarks	334.4	334.4	334.4
Total intangible assets	379.2	384.7	390.7
Favorable Lease Rights
Impaired Intangible Assets [Line Items]
Gross carrying amount	20.6	20.5	23.3
Less: accumulated amortization	(18.2)	(17.6)	(19.4)
Carrying amount, end of period	2.4	2.9	3.9
Customer Relationships
Impaired Intangible Assets [Line Items]
Gross carrying amount	74.2	74.2	74.2
Less: accumulated amortization	(57.2)	(53.7)	(49.5)
Carrying amount, end of period	17.0	20.5	24.7
Trademarks And Other Intangible Assets
Impaired Intangible Assets [Line Items]
Gross carrying amount	40.1	39.9	39.0
Less: accumulated amortization	(14.7)	(13.0)	(11.3)
Carrying amount, end of period	$ 25.4	$ 26.9	$ 27.7

The accumulated amount of amortization of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Sum of the gross carrying amounts before accumulated amortization as of the balance sheet date of all intangible assets having statutory or estimated useful lives. The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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The aggregate sum of gross carrying value of a major finite-lived intangible asset class, less accumulated amortization and any impairment charges. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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- Definition

Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trademark to gain or protect exclusive use of a business name, symbol or other device or style for a projected indefinite period of benefit.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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