RETIREMENT AND BENEFIT PLANS Amounts Recognized in Balance Sheets (Details) - USD ($) $ in Millions	Feb. 04, 2018	Jan. 29, 2017
Pension Plans [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Non-current assets	$ 19.1	$ 32.6
Current liabilities	0.0	0.0
Non-current liabilities	(6.5)	(0.6)
Net amount recognized	12.6	32.0
SERP Plans [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Non-current assets	0.0	0.0
Current liabilities	(7.4)	(8.5)
Non-current liabilities	(89.5)	(79.1)
Net amount recognized	(96.9)	(87.6)
Postretirement Plans [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Non-current assets	0.0	0.0
Current liabilities	(1.4)	(1.5)
Non-current liabilities	(9.1)	(9.9)
Net amount recognized	$ (10.5)	$ (11.4)