Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation Plans (Details 3)

Share-Based Compensation Plans (Details 3) (Employee Stock Discount Plan (ESDP), USD $)
9 Months Ended
Nov. 01, 2014
Employee Stock Discount Plan (ESDP)
Employee Stock Discount Plan  
Maximum number of common stock shares available for purchase in the plan 2,137,500
Purchase price percentage of fair market value 85.00%
Number of shares purchased 63,700
Weighted-average share price of shares purchased (in dollars per share) $ 41.67
Number of shares reserved for future issuance 676,638