Derivatives - Commodity Contracts (Details) - USD ($) $ in Millions	12 Months Ended
Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Movement in Accumulated Other Comprehensive Income [Roll Forward]
Current period gains (losses) recognized in OCI	$ 6.2	$ 3.4	$ 8.8
Cash Flow Hedging
Movement in Accumulated Other Comprehensive Income [Roll Forward]
Gains (losses) recorded in AOCI, beginning of period	1.2
Gains (losses) recorded in AOCI, end of period	5.3	1.2
Commodity contracts
Movement in Accumulated Other Comprehensive Income [Roll Forward]
Gains (losses) recorded in AOCI, beginning of period	1.4
Gains (losses) recorded in AOCI, end of period	4.0	1.4
Commodity contracts \| Cash Flow Hedging
Movement in Accumulated Other Comprehensive Income [Roll Forward]
Gains (losses) recorded in AOCI, beginning of period	1.4	(2.1)
Current period gains (losses) recognized in OCI	3.5	5.2
Gains (losses) recorded in AOCI, end of period	4.0	1.4	(2.1)
Commodity contracts \| Cash Flow Hedging \| Cost of sales
Movement in Accumulated Other Comprehensive Income [Roll Forward]
Gains reclassified from AOCI to net income	(0.9)	(1.7)
Interest rate contract \| Cash Flow Hedging
Movement in Accumulated Other Comprehensive Income [Roll Forward]
Gains (losses) recorded in AOCI, beginning of period	2.2	0.4
Current period gains (losses) recognized in OCI	0.3	1.5
Gains (losses) recorded in AOCI, end of period	0.6	2.2	$ 0.4
Interest rate contract \| Cash Flow Hedging \| Interest expense, net
Movement in Accumulated Other Comprehensive Income [Roll Forward]
Gains reclassified from AOCI to net income	$ (1.9)	$ 0.3

Movement in Accumulated Other Comprehensive Income [Roll Forward]

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- Definition

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).

+ References

No definition available.

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- Definition

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4D
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-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959

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-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959

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- Definition

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).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-SubTopic 10
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