Annual report pursuant to section 13 and 15(d)

Retirement and Stock Purchase Plans (Details Textual)

v2.4.0.6
Retirement and Stock Purchase Plans (Details Textual) (USD $)
12 Months Ended
Jan. 28, 2012
Jan. 29, 2011
Jan. 30, 2010
Retirement And Stock Purchase Plans (Textual) [Abstract]      
Share-based compensation expense $ 13,800,000 $ 11,900,000 $ 10,200,000
Number of shares reserved for future issuance 4,507,474    
ESDP [Member]
     
Retirement And Stock Purchase Plans (Textual) [Abstract]      
Contributions by Employer 0 0 0
Maximum number of common stock shares available for purchase in the plan 2,137,500    
Employee stock purchase plan discounted rate percentage 85.00%    
Maximum shares allowable to purchase each quarter by participants 125    
Shares purchased under ESDP 103,964 120,434 138,360
Weighted average share price $ 22.53 $ 17.33 $ 14.36
Share-based compensation expense 1,600,000 600,000 700,000
Number of shares reserved for future issuance 953,102    
401 K [Member]
     
Retirement And Stock Purchase Plans (Textual) [Abstract]      
Contributions by Employer 900,000 1,000,000 400,000
ESOP [Member]
     
Retirement And Stock Purchase Plans (Textual) [Abstract]      
Contributions by Employer     0
Operations were charged for termination and distribution matters   $ 9,000