Stock-Based Compensation (Details) (USD $)	3 Months Ended
	May 04, 2013	Apr. 28, 2012
Stock-based compensation expense by type [Abstract]
Stock options	$ 309,000	$ 708,000
Restricted stock unit awards	1,986,000	1,890,000
Employee stock purchase	42,000	18,000
Director deferred compensation	30,000	0
Total stock-based compensation expense	2,367,000	2,616,000
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock purchased during the period under the employee stock purchase plan (in shares)	3,481	3,097
Weighted-average grant date fair value of stock options granted (in dollars per share)	$ 17.52	$ 19.32
Grant date fair value of shares purchased through the employee stock purchase plan (in dollars per share)	$ 12.04	$ 10.96
Purchase price paid for stock purchased through the employee stock purchase plan (in dollars per share)	$ 44.80	$ 38.40
Total compensation costs related to nonvested restricted stock unit awards not yet recognized	$ 12,300,000
Weighted-average period over which nonvested restricted stock unit awards are expected to be recognized (in years)	2 years 11 months
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted	17,623	36,666
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Awarded	62,625	63,516
Performance-based Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Awarded	36,700	38,100
Deferred Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Awarded	6,897	0
Non-Employee Director Equity Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Awarded	2,312