Shares Repurchased and Dividends - Narrative (Details)	3 Months Ended						9 Months Ended		12 Months Ended
	May 31, 2025 USD ($) $ / shares shares	Mar. 01, 2025 $ / shares	Nov. 30, 2024 $ / shares	May 25, 2024 $ / shares shares	Feb. 24, 2024 $ / shares	Nov. 25, 2023 $ / shares	May 31, 2025 USD ($) $ / shares shares	May 25, 2024 $ / shares shares	Aug. 31, 2024 $ / shares shares	Aug. 31, 2019 Vote	Apr. 08, 2025 USD ($)	Oct. 24, 2023 USD ($)
Equity, Class of Treasury Stock [Line Items]
Shares repurchased (in shares) | shares	75,973			47,250			142,578	94,000
Total cost of shares repurchased divided by the total number of shares repurchased	$ 179.45			$ 165.99			$ 183.48	$ 169.81
Stock repurchase, remaining to repurchase outstanding shares value | $	$ 86,400,000						$ 86,400,000
Maximum
Equity, Class of Treasury Stock [Line Items]
Stock repurchase authorized, Value | $											$ 100,000,000	$ 100,000,000
Class B Common Stock
Equity, Class of Treasury Stock [Line Items]
Voting rights | Vote										10
Number of shares converted (in shares) | shares	5,000						36,860		0
Quarterly dividend amount (in dollars per share)	$ 0.28	$ 0.28	$ 0.28	0.264	$ 0.264	$ 0.264
Class B Common Stock | O 2024 Q4 Dividends
Equity, Class of Treasury Stock [Line Items]
Quarterly dividend amount (in dollars per share)									$ 0.264
Class B Common Stock | O 2025 Q1 Dividends
Equity, Class of Treasury Stock [Line Items]
Quarterly dividend amount (in dollars per share)			0.28
Common Stock
Equity, Class of Treasury Stock [Line Items]
Voting rights | Vote										1
Dividend rate										125.00%
Quarterly dividend amount (in dollars per share)	$ 0.35	$ 0.35	0.35	$ 0.33	$ 0.33	$ 0.33
Common Stock | O 2024 Q4 Dividends
Equity, Class of Treasury Stock [Line Items]
Quarterly dividend amount (in dollars per share)									$ 0.33
Common Stock | O 2025 Q1 Dividends
Equity, Class of Treasury Stock [Line Items]
Quarterly dividend amount (in dollars per share)			$ 0.35