REVENUE Deferred Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 02, 2020		Feb. 03, 2019
Deferred Revenue [Line Items]
Payment terms, due from customer	Payment is typically due within 30 to 90 days.
Long-term deferred revenue liabilities (included in Other Liabilities)	$ 10.3		$ 2.3
Movement in Deferred Revenue [Roll Forward]
Deferred revenue, beginning balance	65.3		39.2
Impact of adopting the new revenue standard	0.0		15.6
Net additions to deferred revenue during the period	60.3		61.3
Reductions in deferred revenue for revenue recognized during the period	(60.9)	[1]	(50.8)
Deferred revenue, ending balance	$ 64.7		$ 65.3

[1] Represents the amount of revenue recognized during the period that was included in the deferred revenue balance at the beginning of the period, as adjusted in 2018 for the impact of adopting the new revenue standard, and does not contemplate revenue recognized from amounts deferred during the period.