Stock-Based Compensation - Allocation of Stock-Based Compensation (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 27, 2014	Apr. 28, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, pre-tax	$ 6,847	$ 8,626
Net change in stock-based compensation capitalized into inventory	(9)	77
Cost of Sales [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, pre-tax	363	328
Selling, General and Administrative [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, pre-tax	4,065	4,882
Product Development and Engineering [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, pre-tax	$ 2,419	$ 3,416