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	Treasury Stock, Common	Accumulated Other Comprehensive Loss
Equity, Beginning Balance at Jul. 31, 2024	$ 1,066,658			$ 548	$ 353,654	$ 1,174,025			$ (351,947)	$ (109,622)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	87,117					87,117
Other Comprehensive Income (Loss), Net of Tax	(22,205)									(22,205)
Issuance of shares of Class A Common Stock under stock plan	3,582				(5,306)				8,888
Tax benefit and withholdings from deferred compensation distributions	190				190
Stock-based compensation expense	7,993				7,993
Dividends, Common Stock, Cash		$ (21,228)	$ (1,639)				$ (21,228)	$ (1,639)
Equity, Ending Balance at Jan. 31, 2025	1,120,468			548	356,531	1,238,275			(343,059)	(131,827)
Equity, Beginning Balance at Oct. 31, 2024	1,108,932			548	354,592	1,209,406			(344,012)	(111,602)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	40,334					40,334
Other Comprehensive Income (Loss), Net of Tax	(20,225)									(20,225)
Issuance of shares of Class A Common Stock under stock plan	712				(241)				953
Stock-based compensation expense	2,180				2,180
Dividends, Common Stock, Cash		(10,616)	(849)				(10,616)	(849)
Equity, Ending Balance at Jan. 31, 2025	1,120,468			548	356,531	1,238,275			(343,059)	(131,827)
Equity, Beginning Balance at Jul. 31, 2025	1,192,211			548	359,269	1,317,739			(393,186)	(92,159)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	101,987					101,987
Other Comprehensive Income (Loss), Net of Tax	36,410									36,410
Issuance of shares of Class A Common Stock under stock plan	4,935				(7,227)				12,162
Tax benefit and withholdings from deferred compensation distributions	266				266
Repurchase of shares of Class A Common Stock, including excise taxes	(8,964)								(8,964)
Stock-based compensation expense	9,259				9,259
Dividends, Common Stock, Cash		(21,409)	(1,675)				(21,409)	(1,675)
Equity, Ending Balance at Jan. 31, 2026	1,313,020			548	361,567	1,396,642			(389,988)	(55,749)
Equity, Beginning Balance at Oct. 31, 2025	1,244,820			548	359,690	1,360,156			(388,847)	(86,727)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	48,051
Other Comprehensive Income (Loss), Net of Tax	30,978									30,978
Issuance of shares of Class A Common Stock under stock plan	3,133				(636)				3,769
Repurchase of shares of Class A Common Stock, including excise taxes	(4,910)								(4,910)
Stock-based compensation expense	2,513				2,513
Dividends, Common Stock, Cash		$ (10,698)	$ (867)				$ (10,698)	$ (867)
Equity, Ending Balance at Jan. 31, 2026	$ 1,313,020			$ 548	$ 361,567	$ 1,396,642			$ (389,988)	$ (55,749)