Reportable Segment Information - (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011	Jan. 28, 2012
Segment Reporting Information [Line Items]
Total revenues	$ 234,063	$ 236,806	$ 509,407	$ 510,466
Interest and other income	985	949	1,891	1,906
Total Assets	573,382	548,400	573,382	548,400	551,089
Capital expenditures			19,922	15,751
ReportableSegmentsMemberRetail [Member]
Segment Reporting Information [Line Items]
Total revenues	232,230	234,885	505,772	506,592
Depreciation	5,729	5,367	11,487	10,767
Interest and other income	(985)	(949)	(1,891)	(1,906)
Total Assets	495,526	471,320	495,526	471,320
Capital expenditures	10,569	11,319	19,922	15,665
Income Before Taxes	26,747	27,330	77,281	74,183
ReportableSegmentsMemberCredit [Member]
Segment Reporting Information [Line Items]
Total revenues	1,833	1,921	3,635	3,874
Depreciation	13	4	26	8
Interest and other income	0	0	0	0
Total Assets	77,856	77,080	77,856	77,080
Capital expenditures	0	41	0	86
Income Before Taxes	$ 880	$ 943	$ 1,638	$ 1,582