Recently Issued Accounting Standards (Details) - USD ($) $ in Millions		Feb. 01, 2020		Nov. 02, 2019	Aug. 03, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Prepaid expenses and other current assets		$ 181.9			$ 242.3
Other intangible assets, net		218.6			276.6
Assets related to discontinued operations		9.5			98.2
Operating Lease, Right-of-Use Asset		680.2			0.0
Non-current assets related to discontinued operations		0.0			11.5
Operating Lease, Liability	[1],[2]	841.7
Current portion of lease obligations		161.8	[1],[2]		0.0
Liabilities related to discontinued operations		49.9			94.7
Lease-related liabilities		0.0			204.6
Long-term lease obligations		679.9	[1],[2]		0.0
Non-current liabilities related to discontinued operations		5.8			35.5
Accumulated deficit		(1,013.1)			(935.9)
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Prepaid expenses and other current assets		(33.6)			208.7
Other intangible assets, net		(8.4)			268.2
Assets related to discontinued operations		(7.6)			90.6
Operating Lease, Right-of-Use Asset		744.4			744.4
Non-current assets related to discontinued operations		131.5			143.0
Current portion of lease obligations		141.3			141.3
Liabilities related to discontinued operations		37.8			132.5
Lease-related liabilities		(204.6)			0.0
Long-term lease obligations		769.1			769.1
Non-current liabilities related to discontinued operations		$ 94.2			129.7
Accumulated deficit				$ (11.5)	$ (947.4)

[1] Although such amounts are generally non-cancelable, certain leases are cancelable if specified sales levels are not achieved or co-tenancy requirements are not being satisfied. All future minimum rentals under such leases have been included in the above table.

[2] Net of sublease income, which is not expected to be significant in any period.