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Shareholders' Equity - Summary of Combined Stock Option Activity and Related Information for Stock Options Granted (Details) - Stock Options $ / shares in Units, $ in Millions	9 Months Ended	12 Months Ended
	Jan. 28, 2023 USD ($) $ / shares shares	Apr. 30, 2022 USD ($) $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding [Roll Forward]
Outstanding - beginning balance (in shares) | shares	60,000
Exercised (in shares) | shares	(40,000)
Outstanding - ending balance (in shares) | shares	20,000	60,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Wtd. Avg. Exercise Price, Outstanding - beginning balance (in dollars per share) | $ / shares	$ 37.01
Wtd. Avg. Exercise Price, Exercised (in dollars per share) | $ / shares	37.01
Wtd. Avg. Exercise Price, Outstanding - ending balance (in dollars per share) | $ / shares	$ 37.01	$ 37.01
Weighted-average life of outstanding options	1 year 4 months 24 days	2 years 2 months 12 days
Intrinsic value of outstanding options | $	$ 0.2	$ 0.5

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Number of share options (or share units) exercised during the current period.

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