Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION PLAN (Narrative) (Details)

v3.19.1
STOCK-BASED COMPENSATION PLAN (Narrative) (Details) - USD ($)
12 Months Ended
Feb. 02, 2019
Feb. 03, 2018
Jan. 28, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term 3 months 3 months 3 months
Intrinsic value of options exercised $ 12,300,000 $ 18,300,000 $ 11,800,000
Minimum statutory tax withholding related to vested restricted shares 23,200,000 27,400,000 21,900,000
Stock-based compensation expense $ 63,300,000 65,800,000 60,300,000
Granted (shares) 838,335    
Total fair value of vested restricted shares $ 54,400,000 $ 60,300,000 $ 42,400,000
Weighted average grant date fair value, granted (dollars per share) $ 94.34    
Aggregate intrinsic value of options outstanding $ 5,300,000    
Employee Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term     6 years 6 months
Service Based Awards [Member] | Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted average period of recognition (in months) 21 months 24 days    
Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 3 years    
Unrecognized compensation expense $ 43,400,000    
Weighted average grant date fair value, granted (dollars per share) $ 94.34 $ 78.63 $ 80.13
Director Deferred Compensation Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term 10 years    
Percentage of the share price of common stock used in the calculation to determine the number of options issued to a director (in hundredths) 33.00%    
Omnibus Incentive Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 3 years    
Expected term 10 years    
Shares available for grant 4,000,000    
Omnibus Incentive Plan [Member] | Certain officers [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options granted (in shares)     200,000.0
Fair value of stock options granted     $ 4,000,000
Omnibus Incentive Plan [Member] | Employee Stock Option [Member] | Certain officers [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period     5 years
Stock-based compensation expense $ 1,300,000 $ 1,300,000 $ 0
Employee Stock Purchase Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted average fair value of granted purchase rights (in dollars per share) $ 18,640,000.00 $ 13,620,000.00 $ 13,430,000.00
Stock-based compensation expense $ 3,300,000 $ 2,000,000 $ 1,600,000
Employee stock purchase plan shares of common stock authorized for issuance 8,278,124    
Amount allowed to be withheld to purchase Common Stock 10.00%    
ESPP Plan purchase price of stock (in hundredths) 85.00%    
Shares sold under the ESPP 5,315,026