EQUITY AND SHARE-BASED COMPENSATION PLANS - Vesting and Awards Other than Options (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018	Feb. 01, 2020
Additional information
Fair value of shares vested	$ 12.2	$ 17.2	$ 11.6
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)	164,662	941,328	1,015,236
Weighted-Average Grant-Date Fair Value
Granted (in dollars per share)	$ 5.53	$ 26.81	$ 11.47
Additional information
Shares relinquished for tax withholding	173,360
Intrinsic value of nonvested shares				$ 2.5
Unrecognized compensation cost
Unrecognized compensation cost, non-vested awards				$ 4.8
Compensation recognition period, non-vested awards	10 months 24 days
Time-Based DSUs
Awards
Non-Vested at the beginning of the period (in shares)	939,086
Granted (in shares)	164,662
Vested (in shares)	(487,020)
Forfeited (in shares)	(145,219)
Non-Vested at the end of the period (in shares)	471,509	939,086
Weighted-Average Grant-Date Fair Value
Non-Vested at the beginning of the period (in dollars per share)	$ 22.60
Granted (in dollars per share)	5.53
Vested (in dollars per share)	21.61
Forfeited (in dollars per share)	22.11
Non-Vested at the end of the period (in dollars per share)	$ 17.81	$ 22.60
Additional information
Non-vested (in shares)	471,509	939,086		471,509
Performance-Based DSUs
Awards
Non-Vested at the beginning of the period (in shares)	336,906
Vested (in shares)	(73,064)
Forfeited (in shares)	(98,030)
Non-Vested at the end of the period (in shares)	165,812	336,906
Weighted-Average Grant-Date Fair Value
Non-Vested at the beginning of the period (in dollars per share)	$ 18.59
Vested (in dollars per share)	23.27
Forfeited (in dollars per share)	17.25
Non-Vested at the end of the period (in dollars per share)	$ 17.33	$ 18.59
Additional information
Non-vested (in shares)	165,812	336,906		165,812
Stock Options | Minimum
Share-based compensation
Vesting period (in years)	1 year
Stock Options | Maximum
Share-based compensation
Vesting period (in years)	3 years