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Capital Stock and Stock-Based Awards - Narrative (Details) - USD ($)						12 Months Ended			49 Months Ended
	Sep. 17, 2024	Jul. 19, 2023	Jul. 21, 2021	Sep. 26, 2018	Sep. 24, 2014	May 31, 2025	May 31, 2024	May 31, 2023	Sep. 30, 2011	Sep. 21, 2021	Sep. 30, 2017	Sep. 21, 2011	Sep. 30, 2007
Capital Stock and Stock-Based Awards (Details) - Schedule of Stock Unit and Restricted Stock Unit activity [Line Items]
Preferred stock issued (in shares)						0	0
Options outstanding ( in shares)						2,663,798	2,942,293
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross						16,773
Granted (in dollars per share)						$ 36.40
Minimum period before grants exercisable						1 year
Minimum
Capital Stock and Stock-Based Awards (Details) - Schedule of Stock Unit and Restricted Stock Unit activity [Line Items]
Expiration of stock options						7 years
Maximum
Capital Stock and Stock-Based Awards (Details) - Schedule of Stock Unit and Restricted Stock Unit activity [Line Items]
Expiration of stock options						10 years
Restricted Stock Units (RSUs)
Capital Stock and Stock-Based Awards (Details) - Schedule of Stock Unit and Restricted Stock Unit activity [Line Items]
Stock option compensation cost not yet recognized						$ 6,600,000
Future period of stock option expense recognition (in years)						1 year 6 months
Granted (in shares)						410,392	177,867	139,111
Conversion ratio (in shares)						1
Employee Stock
Capital Stock and Stock-Based Awards (Details) - Schedule of Stock Unit and Restricted Stock Unit activity [Line Items]
Increase in shares available for grant (in shares)	500,000
Common stock remaining authorized (in shares)						460,053
Quarterly basis discount rate of common stock on closing price						15.00%
Employee Stock Option
Capital Stock and Stock-Based Awards (Details) - Schedule of Stock Unit and Restricted Stock Unit activity [Line Items]
Stock option compensation cost not yet recognized						$ 700,000
Future period of stock option expense recognition (in years)						1 year 2 months 12 days
Plan 2021
Capital Stock and Stock-Based Awards (Details) - Schedule of Stock Unit and Restricted Stock Unit activity [Line Items]
Total number of shares available for grant (in shares)										2,500,000
Options outstanding ( in shares)						793,287
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross						16,773
Granted (in dollars per share)						$ 36.40
Common stock remaining authorized (in shares)						1,002,900
Plan 2021 \| Restricted Stock Units (RSUs)
Capital Stock and Stock-Based Awards (Details) - Schedule of Stock Unit and Restricted Stock Unit activity [Line Items]
Granted (in shares)						375,112
Plan 2021 \| Stock Units And Restricted Stock Units
Capital Stock and Stock-Based Awards (Details) - Schedule of Stock Unit and Restricted Stock Unit activity [Line Items]
Shares issued during period from award (in shares)						140,935
Plan 2011
Capital Stock and Stock-Based Awards (Details) - Schedule of Stock Unit and Restricted Stock Unit activity [Line Items]
Total number of shares available for grant (in shares)				7,115,000								2,100,000
Increase in shares available for grant (in shares)				2,540,000	2,475,000
Options outstanding ( in shares)						1,687,656
Plan 2011 \| Stock Units And Restricted Stock Units
Capital Stock and Stock-Based Awards (Details) - Schedule of Stock Unit and Restricted Stock Unit activity [Line Items]
Shares issued during period from award (in shares)						12,519
Directors Plan 2017
Capital Stock and Stock-Based Awards (Details) - Schedule of Stock Unit and Restricted Stock Unit activity [Line Items]
Options outstanding ( in shares)						160,124
Common stock remaining authorized (in shares)						96,894
Shares reserved for issuance (in shares)											400,000
Value of stock options and restricted stock units granted		$ 125,000
Restricted stock outstanding (in shares)						35,280
Directors Plan 2017 \| Restricted Stock Units (RSUs)
Capital Stock and Stock-Based Awards (Details) - Schedule of Stock Unit and Restricted Stock Unit activity [Line Items]
Stock allocation of awards as a percent			100.00%
Shares issued during period from award (in shares)						14,683
2007 Directors’ Plan
Capital Stock and Stock-Based Awards (Details) - Schedule of Stock Unit and Restricted Stock Unit activity [Line Items]
Options outstanding ( in shares)						22,731
Non-qualified stock options outstanding (in shares)													3,000
Restricted stock outstanding (in shares)									1,200
Management Stock Purchase Plan \| Restricted Stock Units (RSUs)
Capital Stock and Stock-Based Awards (Details) - Schedule of Stock Unit and Restricted Stock Unit activity [Line Items]
Common stock remaining authorized (in shares)						87,742
Shares issued during period from award (in shares)						9,187
Stock option compensation cost not yet recognized						$ 100,000
Future period of stock option expense recognition (in years)						3 months 18 days
Granted (in shares)						417,642
Conversion ratio (in shares)						1
Deferred rate for annual cash bonus payment						100.00%
Quarterly basis discount rate of common stock on closing price						25.00%
Minimum deferral period						3 years
Fair value of shares vested						$ 6.5	$ 5,800,000	$ 4,900,000
Class A Stock
Capital Stock and Stock-Based Awards (Details) - Schedule of Stock Unit and Restricted Stock Unit activity [Line Items]
Common Stock, shares outstanding (in shares)						828,100	828,100
Common Stock, shares authorized (in shares)						3,171,900	3,171,900
Common Stock, Shares, Surrendered							828,100