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Shareholders' Equity - Dividends (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Oct. 30, 2021	Oct. 31, 2020	Oct. 30, 2021	Oct. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Cash dividends	$ (5.1)	$ (4.1)	$ (10.3)	$ (9.1)
Description of changes in dividends rate			increased its quarterly dividend from $0.11 per share to $0.14 per share
RSAs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Cash dividends				$ (0.9)

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Description of changes in dividends rate.

+ References

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Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

+ 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=123570139&loc=d3e3291-108585

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