Income Taxes Net Deferred Tax Assets Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Jan. 28, 2012	Jan. 29, 2011
Components of Deferred Tax Assets [Abstract]
Accrued expenses and deferred compensation	$ 22,417	$ 17,964
Property and equipment	0	0
Intangible assets	0	934
Rent	7,831	5,932
Inventory	1,946	0
Tax credits/carryforwards	114	0
Valuation allowance	(290)	0
Total deferred tax assets	32,018	24,830
Components of Deferred Tax Liabilities [Abstract]
Inventory	0	1,653
Prepaid Expenses	3,767	0
Intangible assets	1,764	0
Property and equipment	5,710	1,905
Other	829	1,644
Total deferred tax liabilities	12,070	5,202
Net deferred tax assets/(liabilities)	$ 19,948	$ 19,628