Stock-based Compensation (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 29, 2012	Jul. 31, 2011	Jul. 29, 2012	Jul. 31, 2011
Stock-based Compensation Expense and Tax Benefit
Stock options expense	$ 2,527	$ 2,788	$ 5,343	$ 5,717
Restricted stock expense	1,230	1,477	2,425	2,594
Performance share unit expense	3,556	3,176	6,860	5,316
Stock-based compensation expense - equity awards	7,313	7,441	14,628	13,627
Management equity unit expense	3,338	2,113	7,331	4,025
Total stock-based compensation expense	10,651	9,554	21,959	17,652
Tax benefit	$ 3,987	$ 3,436	$ 8,231	$ 6,109