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Stockholders' Equity (Details) $ / shares in Units, $ in Millions	3 Months Ended	12 Months Ended
	May 31, 2025 USD ($) $ / shares	May 31, 2025 USD ($) program $ / shares shares	May 25, 2024 USD ($) $ / shares shares	Oct. 31, 2024 USD ($)	Jul. 31, 2015 USD ($)
Stockholders' Equity Disclosure [Line Items]
Number of share repurchase program | program		2
Dividends paid (in dollars per share) | $ / shares	$ 0.07
Dividends payable, current	$ 2.3	$ 2.3	$ 4.7
July 2015 Program
Stockholders' Equity Disclosure [Line Items]
Amount authorized under a stock repurchase program					$ 150.0
October 2024 Program
Stockholders' Equity Disclosure [Line Items]
Amount authorized under a stock repurchase program				$ 50.0
Share Repurchase Program
Stockholders' Equity Disclosure [Line Items]
Treasury stock, shares acquired (in shares) | shares		1,382,820	606,254
Common stock shares repurchased (in dollars per share) | $ / shares		$ 9.40	$ 13.20
Retirement of treasury stock		$ 13.0	$ 8.0
Stock repurchase plan, remaining amount	$ 79.2	$ 79.2

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Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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