EQUITY AND SHARE-BASED COMPENSATION PLANS - Vesting and Awards Other than Options (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Additional information
Fair value of shares vested	$ 17.2	$ 11.6	$ 11.1
Non-Vested Deferred Stock Units and Restricted Stock units | Minimum
Share-based compensation
Vesting period (in years)	1 year
Non-Vested Deferred Stock Units and Restricted Stock units | Maximum
Share-based compensation
Vesting period (in years)	3 years
Deferred stock units
Awards
Granted (in shares)	941,328	1,015,236	1,315,140
Weighted-Average Grant-Date Fair Value
Granted (in dollars per share)	$ 26.81	$ 11.47	$ 18.61
Additional information
Shares relinquished for tax withholding	284,220
Intrinsic value of nonvested shares	$ 16.0
Unrecognized compensation cost
Unrecognized compensation cost, non-vested awards	$ 15.8
Compensation recognition period, non-vested awards	1 year 4 months 24 days
Time-Based DSUs
Awards
Non-Vested at the beginning of the period (in shares)	1,014,689
Granted (in shares)	686,433
Vested (in shares)	(603,394)
Forfeited (in shares)	(158,642)
Non-Vested at the end of the period (in shares)	939,086	1,014,689
Weighted-Average Grant-Date Fair Value
Non-Vested at the beginning of the period (in dollars per share)	$ 18.13
Granted (in dollars per share)	26.25
Vested (in dollars per share)	21.15
Forfeited (in dollars per share)	19.66
Non-Vested at the end of the period (in dollars per share)	$ 22.60	$ 18.13
Performance-Based DSUs
Awards
Non-Vested at the beginning of the period (in shares)	993,631
Granted (in shares)	254,895
Vested (in shares)	(180,997)
Forfeited (in shares)	(730,623)
Non-Vested at the end of the period (in shares)	336,906	993,631
Weighted-Average Grant-Date Fair Value
Non-Vested at the beginning of the period (in dollars per share)	$ 19.55
Granted (in dollars per share)	28.33
Vested (in dollars per share)	24.44
Forfeited (in dollars per share)	21.84
Non-Vested at the end of the period (in dollars per share)	$ 18.59	$ 19.55
Restricted Stock
Weighted-Average Grant-Date Fair Value
Granted (in dollars per share)			$ 17.37
Additional information
Fair value of shares vested		$ 0.6	$ 0.7
Outstanding shares of restricted stock	0	0
Granted (in shares)			18,646
Stock Options
Unrecognized compensation cost
Compensation recognition period, non-vested awards	1 year 4 months 24 days
Stock Options | Minimum
Share-based compensation
Vesting period (in years)	1 year
Three year anniversary | Performance units
Share-based compensation
Vesting period (in years)	3 years
Vesting percentage	100.00%