XML 41 R31.htm IDEA: XBRL DOCUMENT v3.10.0.1
STOCK-BASED COMPENSATION (Details 2) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Aug. 04, 2018
Jul. 29, 2017
Aug. 04, 2018
Jul. 29, 2017
Stock-based compensation        
Allocated Share-based Compensation Expense $ 7,420 $ 6,821 $ 16,217 $ 14,480
Vesting period (in years)     1 year 3 years
Cost of Sales [Member]        
Stock-based compensation        
Allocated Share-based Compensation Expense 1,000 1,000 $ 1,900 $ 2,000
Restricted Stock Units (RSUs) [Member]        
Stock-based compensation        
Allocated Share-based Compensation Expense 3,533 2,661 7,346 5,926
Performance Awards Member        
Stock-based compensation        
Allocated Share-based Compensation Expense $ 3,887 $ 4,160 $ 8,871 $ 8,554
Percentage of Target Shares paid out if final operating income below threshold (as a percent)     100.00%  
Unvested awards at the beginning of the period (in shares)     544  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     86  
Vested (in shares)     (513)  
Forfeited (in shares)     (82)  
Unvested awards at the end of the period (in shares) 382   382  
Weighted Average Grant Date Fair Value        
Unvested awards at the beginning of the period (in dollars per share)     $ 84.11  
Granted (in shares)     123.00  
Vested (in dollars per share)     70.09  
Forfeited (in dollars per share)     119.17  
Unvested awards at the end of the period (in dollars per share) $ 91.46   $ 91.46  
Unrecognized costs and period of recognition        
Unrecognized stock-based compensation expense (in dollars) $ 18,800   $ 18,800  
Weighted average period for recognition of unrecognized stock-based compensation expense (in years)     1 year 6 months 12 days