Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION PLAN (Various Option Plans and Options Outstanding) (Details)

v3.7.0.1
STOCK-BASED COMPENSATION PLAN (Various Option Plans and Options Outstanding) (Details) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Jan. 28, 2017
Jan. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Number of options outstanding, beginning balance 1,549,999  
Options granted 189,543  
Exercised (613,013)  
Forfeited (85,094)  
Number of options outstanding, ending balance 1,041,435  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]    
Weighted average exercise price per option, outstanding, beginning balance (dollars per share) $ 58.41  
Weighted average exercise price per option granted (dollars per share) 74.45  
Weighted average exercise price per option exercised (dollars per share) 54.73  
Weighted average exercise price per option forfeited (dollars per share) 72.73  
Weighted average exercise price per option, outstanding, ending balance (dollars per share) $ 62.38  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]    
Weighted average remaining contractual term of options outstanding (in years) 1 year 3 months 18 days  
Aggregate intrinsic value of options outstanding $ 12.2  
Options vested and expected to vest (shares) 664,854  
Options, vested and expected to vest weighted average exercise price (in dollars per share) $ 55.97  
Weighted average remaining contractual term, vested and expected to vest options (in years) 1 year 2 months 12 days  
Aggregate intrinsic value, vested and expected to vest options $ 12.0  
Options exercisable at end of period (shares) 664,854  
Options exercisable at end of period, weighted average exercise price $ 55.97  
Options exercisable at end of period, weighted average remaining term 1 year 2 months 12 days  
Options exercisable at end of period, aggregate intrinsic value $ 12.0  
$7.21 to $9.71    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit   $ 8.91
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit   12.66
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Beginning of Period [Abstract]    
Options outstanding 134,627  
Options outstanding, weighted average remaining contractual life (in years) 1 year 2 months 12 days  
Options outstanding, weighted average exercise price (dollars per share) $ 10.67  
Options exercisable 134,627  
Options exercisable, weighted average exercise price (dollars per share) $ 10.67  
$9.72 to $14.52    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit   12.67
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit   48.30
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Beginning of Period [Abstract]    
Options outstanding 47,807  
Options outstanding, weighted average remaining contractual life (in years) 4 years 7 months 6 days  
Options outstanding, weighted average exercise price (dollars per share) $ 32.36  
Options exercisable 47,807  
Options exercisable, weighted average exercise price (dollars per share) $ 32.36  
$14.53 to $19.93    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit   48.31
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit   58.58
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Beginning of Period [Abstract]    
Options outstanding 25,462  
Options outstanding, weighted average remaining contractual life (in years) 2 years 6 months  
Options outstanding, weighted average exercise price (dollars per share) $ 55.03  
Options exercisable 22,691  
Options exercisable, weighted average exercise price (dollars per share) $ 54.72  
$19.94 to $28.36    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit   58.59
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit   70.71
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Beginning of Period [Abstract]    
Options outstanding 365,014  
Options outstanding, weighted average remaining contractual life (in years) 7 months 6 days  
Options outstanding, weighted average exercise price (dollars per share) $ 68.41  
Options exercisable 290,657  
Options exercisable, weighted average exercise price (dollars per share) $ 68.48  
$28.37 to $70.38    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit   70.72
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit   93.78
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Beginning of Period [Abstract]    
Options outstanding 468,525  
Options outstanding, weighted average remaining contractual life (in years) 2 years  
Options outstanding, weighted average exercise price (dollars per share) $ 76.01  
Options exercisable 169,072  
Options exercisable, weighted average exercise price (dollars per share) $ 77.37  
$7.21 to $70.38    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit   8.91
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit   $ 93.78
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Beginning of Period [Abstract]    
Options outstanding 1,041,435  
Options outstanding, weighted average remaining contractual life (in years) 1 year 3 months 18 days  
Options outstanding, weighted average exercise price (dollars per share) $ 59.93  
Options exercisable 664,854  
Options exercisable, weighted average exercise price (dollars per share) $ 55.97