Derivatives - Derivatives Designated as Cash Flow Hedges (Details) - USD ($) $ in Millions	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Foreign currency contracts
Derivative [Line Items]
Pre-tax gains (losses) recorded in AOCI	$ (1.0)	$ 0.7
Commodity contracts
Derivative [Line Items]
Pre-tax gains (losses) recorded in AOCI	17.7	4.0
Cash Flow Hedging
Derivative [Line Items]
Pre-tax gains (losses) recorded in AOCI	16.7	5.3
Cash Flow Hedging | Foreign currency contracts
Derivative [Line Items]
Pre-tax gains (losses) recorded in AOCI	(1.0)	0.7	$ (2.4)
Cash Flow Hedging | Commodity contracts
Derivative [Line Items]
Pre-tax gains (losses) recorded in AOCI	17.7	4.0	$ 1.4
Cash Flow Hedging | Interest rate swaps
Derivative [Line Items]
Pre-tax gains (losses) recorded in AOCI	$ 0.0	$ 0.6