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Acquisition of Sierra Trading Post - Additional Information (Detail) (USD $)	0 Months Ended
	Dec. 21, 2012	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013	Dec. 21, 2012
Business Acquisition [Line Items]
Business acquisition, acquired entity	Sierra Trading Post
Business acquisition, purchased price	$ 193,000,000us-gaap_PaymentsToAcquireBusinessesGross
Identifiable amortizable intangible assets	143,754,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles				143,754,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
Goodwill acquired	97,000,000us-gaap_Goodwill	169,000,000us-gaap_Goodwill	169,300,000us-gaap_Goodwill	170,300,000us-gaap_Goodwill	97,000,000us-gaap_Goodwill
Sierra Trading Post
Business Acquisition [Line Items]
Identifiable amortizable intangible assets	39,000,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember				39,000,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember
Identifiable intangible assets, amortization period	15 years
Customer relationships
Business Acquisition [Line Items]
Identifiable amortizable intangible assets	$ 8,000,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember				$ 8,000,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember
Identifiable intangible assets, amortization period	6 years

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Name of the acquired entity.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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