Income Taxes - Statutory and Effective Income Tax Provision (Details) - USD ($) $ in Millions	3 Months Ended								10 Months Ended	12 Months Ended
	Oct. 28, 2018	Jul. 29, 2018	Apr. 29, 2018	Jan. 28, 2018	Oct. 29, 2017	Jul. 30, 2017	Apr. 30, 2017	Jan. 29, 2017	Oct. 28, 2018	Oct. 28, 2018	Dec. 31, 2017	Oct. 29, 2017	Oct. 30, 2016
Comparison of the Statutory and Effective Income Tax Provision
Federal corporate statutory tax rate (as a percent)									21.00%	23.30%	35.00%	35.00%	35.00%
U.S. federal income tax provision at a statutory rate (2018 - 23.3 percent, 2017 and 2016 - 35 percent)										$ 135.3		$ 174.6	$ 182.0
Increase (Decrease) Resulting from:
Net deferred tax liability remeasurement										(362.9)
Deemed earnings repatriation tax										20.6
Other effects of tax reform										(8.5)
Tax rates on foreign earnings										2.1		(6.8)	(5.9)
Municipal lease income not taxable										(0.8)		(1.3)	(1.4)
State and local income taxes, net of federal income tax benefit										7.8		2.2	2.4
Other - net										(10.8)		2.8	3.2
Provision (credit) for income taxes	$ 3.1	$ 30.0	$ 6.6	$ (256.9)	$ 51.6	$ 49.7	$ 36.6	$ 33.6		(217.2)		$ 171.5	$ 180.3
Accumulated earnings of certain subsidiaries outside the U.S. for which no provision for U.S. income or foreign withholding taxes has been made	68.8								$ 68.8	68.8
Provision for foreign withholding taxes for earnings indefinitely reinvested outside the U.S.										0.0
Earnings in subsidiaries outside the U.S. subject to the repatriation tax										372.8
Accrual for foreign withholding taxes	$ 0.7								$ 0.7	$ 0.7