RECENT ACCOUNTING GUIDANCE Recent Accounting Guidance (Details) - USD ($) $ in Millions	6 Months Ended		12 Months Ended
	Jul. 31, 2016	Aug. 02, 2015	Jan. 31, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Decrease in Prepaid Expense	$ (0.8)	$ (16.4)
Presentation of Deferred Income Taxes [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Decrease in other current assets		96.0
Decrease in other liabilities		87.5
Increase (decrease) in other assets		8.5
Presentation of debt issuance costs [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Increase (decrease) in other assets		(17.3)	$ (14.5)
Decrease in Prepaid Expense		$ 8.1	$ 8.1