CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Class A Nonvoting Common Stock	Class B Voting Common Stock	Common Stock	Additional Paid-in Capital	Retained Earnings	Retained Earnings Class A Nonvoting Common Stock	Retained Earnings Class B Voting Common Stock	AOCI Attributable to Parent	Treasury Stock, Common
AOCI, Beginning Balances at Jul. 31, 2024	$ 1,066,658			$ 548	$ 353,654	$ 1,174,025			$ (109,622)	$ (351,947)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	46,783					46,783
Other Comprehensive Income (Loss), Net of Tax	1,980								1,980
Issuance of shares of Class A Common Stock under stock plan	(2,870)				5,065					7,935
Tax benefit and withholdings from deferred compensation distributions	190				190
Stock-based compensation expense	5,813				5,813
Dividends, Common Stock, Cash		$ 10,612	$ 790				$ 10,612	$ 790
AOCI, Ending Balances at Oct. 31, 2024	1,108,932			548	354,592	1,209,406			(111,602)	(344,012)
AOCI, Beginning Balances at Jul. 31, 2025	1,192,211			548	359,269	1,317,739			(92,159)	(393,186)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	53,936
Other Comprehensive Income (Loss), Net of Tax	(5,432)								(5,432)
Issuance of shares of Class A Common Stock under stock plan	(1,802)				6,591					8,393
Tax benefit and withholdings from deferred compensation distributions	266				266
Repurchase of shares of Class A Common Stock, including excise taxes										(4,054)
Stock-based compensation expense	6,746				6,746
Dividends, Common Stock, Cash		$ 10,711	$ 808				$ 10,711	$ 808
AOCI, Ending Balances at Oct. 31, 2025	$ 1,244,820			$ 548	$ 359,690	$ 1,360,156			$ (86,727)	$ (388,847)