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Shareholders' Equity - Share repurchase program (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		22 Months Ended
	Jan. 28, 2023	Jan. 29, 2022	Jan. 28, 2023	Jan. 29, 2022	Jan. 28, 2023	Jun. 16, 2022	Mar. 31, 2021
Equity Class Of Treasury Stock [Line Items]
Stock repurchase program, additional authorized amount						$ 100.0
Shares purchased	179,700	460,161	1,005,514	1,425,190	2,598,653
Stock repurchase cost	$ 8.0	$ 21.3	$ 39.6	$ 63.7	$ 110.8
Remaining authorized repurchase amount	$ 89.2		$ 89.2		$ 89.2
Maximum
Equity Class Of Treasury Stock [Line Items]
Stock repurchase program, Authorized amount							$ 100.0

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Stock repurchase program additional authorized amount.

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Amount of stock repurchase plan authorized.

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Amount remaining of a stock repurchase plan authorized.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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