Note 9. Intangible Assets (Details) - Amortization Expense of Intangible Assets (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 03, 2013	Jul. 28, 2012	Aug. 03, 2013	Jul. 28, 2012
Note 9. Intangible Assets (Details) - Amortization Expense of Intangible Assets [Line Items]
Intangibles amortization expense	$ 2,652	$ 2,481	$ 5,373	$ 4,901
Cost of Sales [Member]
Note 9. Intangible Assets (Details) - Amortization Expense of Intangible Assets [Line Items]
Intangibles amortization expense	2,264	2,078	4,591	4,069
Operating Expense [Member]
Note 9. Intangible Assets (Details) - Amortization Expense of Intangible Assets [Line Items]
Intangibles amortization expense	$ 388	$ 403	$ 782	$ 832