Stock-Based Compensation - Allocation of Stock-based Compensation (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 27, 2013	Jan. 29, 2012	Jan. 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, pre-tax	$ 24,528	$ 24,020	$ 29,010
Net change in stock-based compensation capitalized into inventory	(33)	(83)	(116)
Cost of sales
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, pre-tax	1,218	983	1,802
Selling, general and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, pre-tax	14,965	15,839	19,310
Product development and engineering
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, pre-tax	$ 8,345	$ 7,198	$ 7,898