Derivatives - Derivative Instruments Designated as Cash Flow Hedges in OCI (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Aug. 03, 2019	Aug. 04, 2018	Aug. 03, 2019	Aug. 04, 2018
Movement in Accumulated Other Comprehensive Income [Roll Forward]
Current period gains (losses) recognized in OCI	$ 12.4		$ 8.1
Current period gains (losses) recognized in OCI		$ (4.3)		$ (2.4)
Losses (gains) reclassified from AOCI to net income	0.0		(0.5)
Losses (gains) reclassified from AOCI to net income		(0.4)		(0.9)
Cash Flow Hedging
Movement in Accumulated Other Comprehensive Income [Roll Forward]
Gains (losses) recorded in AOCI, beginning of period			5.3
Gains (losses) recorded in AOCI, end of period	12.9	(2.1)	12.9	(2.1)
Foreign currency contracts \| Cash Flow Hedging
Movement in Accumulated Other Comprehensive Income [Roll Forward]
Gains (losses) recorded in AOCI, beginning of period	0.4	(0.8)	0.7	(2.4)
Current period gains (losses) recognized in OCI	1.6		1.6
Current period gains (losses) recognized in OCI		0.8		2.1
Gains (losses) recorded in AOCI, end of period	1.7	0.4	1.7	0.4
Commodity contracts \| Cash Flow Hedging
Movement in Accumulated Other Comprehensive Income [Roll Forward]
Gains (losses) recorded in AOCI, beginning of period	0.1	1.1	4.0	1.4
Current period gains (losses) recognized in OCI	10.8		6.5
Current period gains (losses) recognized in OCI		(5.1)		(4.9)
Gains (losses) recorded in AOCI, end of period	11.2	(4.4)	11.2	(4.4)
Interest rate swaps \| Cash Flow Hedging
Movement in Accumulated Other Comprehensive Income [Roll Forward]
Gains (losses) recorded in AOCI, beginning of period	0.0	2.3	0.6	2.2
Current period gains (losses) recognized in OCI	0.0		0.0
Current period gains (losses) recognized in OCI		0.0		0.4
Gains (losses) recorded in AOCI, end of period	0.0	1.9	0.0	1.9
Cost of sales \| Foreign currency contracts \| Cash Flow Hedging
Movement in Accumulated Other Comprehensive Income [Roll Forward]
Losses (gains) reclassified from AOCI to net income	(0.3)		(0.6)
Losses (gains) reclassified from AOCI to net income		0.4		0.7
Cost of sales \| Commodity contracts \| Cash Flow Hedging
Movement in Accumulated Other Comprehensive Income [Roll Forward]
Losses (gains) reclassified from AOCI to net income	0.3		0.7
Losses (gains) reclassified from AOCI to net income		(0.4)		(0.9)
Cost of sales \| Interest rate swaps \| Cash Flow Hedging
Movement in Accumulated Other Comprehensive Income [Roll Forward]
Losses (gains) reclassified from AOCI to net income		$ (0.4)
Interest expense, net \| Interest rate swaps \| Cash Flow Hedging
Movement in Accumulated Other Comprehensive Income [Roll Forward]
Losses (gains) reclassified from AOCI to net income	$ 0.0		$ (0.6)
Losses (gains) reclassified from AOCI to net income				$ (0.7)

Movement in Accumulated Other Comprehensive Income [Roll Forward]

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Amount before tax of increase (decrease) in accumulated equity from transactions and other events and circumstances from non-owner sources, including portion attributable to noncontrolling interest. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners (distributions to owners).

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- Definition

Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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Amount before tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

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Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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