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Shareholders' Equity - Schedule of Dividend Paid and Proposed (Details) - USD ($) $ / shares in Units, $ in Millions					3 Months Ended
	May 01, 2019	Feb. 06, 2019	May 02, 2018	Feb. 07, 2018	Mar. 31, 2019	Apr. 01, 2018
Class of Stock [Line Items]
Dividends paid		$ 3.4	$ 3.3	$ 3.4	$ 3.4	$ 3.4
Dividends paid (in USD per share)		$ 0.125	$ 0.125	$ 0.125
Subsequent Event
Class of Stock [Line Items]
Dividends paid	$ 3.4
Dividends paid (in USD per share)	$ 0.125

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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- Definition

Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

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