Derivatives - Foreign Currency Contracts (Details) - USD ($) $ in Millions	12 Months Ended
Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Current period gains (losses) recognized in OCI	$ 6.2	$ 3.4	$ 8.8
Cash Flow Hedging
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Gains (losses) recorded in AOCI, beginning of period	5.3	1.2
Gains (losses) recorded in AOCI, end of period	5.3	1.2
Foreign currency contracts
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Gains (losses) recorded in AOCI, beginning of period	0.7	(2.4)
Gains (losses) recorded in AOCI, end of period	0.7	(2.4)
Foreign currency contracts \| Cash Flow Hedging
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Gains (losses) recorded in AOCI, beginning of period	0.7	(2.4)	4.1
Current period gains (losses) recognized in OCI	2.4	(3.3)
Gains (losses) recorded in AOCI, end of period	0.7	(2.4)	$ 4.1
Foreign currency contracts \| Cash Flow Hedging \| Cost of sales
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Losses (gains) reclassified from AOCI to net income	$ 0.7	$ (3.2)

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).

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
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
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-Topic 220
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

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