Customer Accounts Receivable, Net - Additional information (Detail) (USD $) In Millions	Jul. 30, 2011	Jan. 29, 2011
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross customer accounts receivable, deemed uncollectible and have ceased to accrue finance charge income	$ 0.3	$ 0.4
Gross customer accounts receivable, 90 days or more past due upon which finance charge income continued to be accrued	$ 1.2	$ 1.2

Recorded investment in financing receivables that are 90 days or more past due and still accruing.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6965416&loc=d3e5111-111524
-Subparagraph (d)

+ Details

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- Definition

Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

+ References

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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