Significant Accounting Policies Property, Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010
Depreciation, Depletion and Amortization	$ 26,101	$ 24,479	$ 22,382
Building and Building Improvements [Member]
Property, Plant and Equipment, Estimated Useful Lives	25 years
Equipment [Member]
Property, Plant and Equipment, Estimated Useful Lives	3‑10 years
Furniture and Fixtures [Member]
Property, Plant and Equipment, Estimated Useful Lives	10 years
Leasehold Improvements [Member]
Property, Plant and Equipment, Estimated Useful Lives	Generally 10 years