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Summary of Significant Accounting Policies (Narrative) (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 29, 2017 USD ($) stores | Jul. 29, 2017 USD ($) stores
Net tax deficiencies from share based payment accounting | $ | $ 1 | $ 12
Number of states in which entity operates | 45 | 45
Minimum [Member] |  |
Number of Stores | stores | 850 | 850

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- Definition Net tax deficiencies from share based payment accounting + References No definition available. + Details
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- Definition The number of states the entity operates in as of the balance sheet date. + References No definition available. + Details
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- Definition Represents the number of stores. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Details
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Namespace Prefix: |
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