Consolidated Statements of Stockholders Equity Statement - USD ($) $ in Thousands	Total	Common & Class B Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock, Common	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest
Total, Beginning of Period at Jul. 31, 2022	$ 150,349	$ 1,954	$ 51,621	$ 178,754	$ (79,428)	$ (2,183)	$ (369)
Common & Class B Stock, Beginning of Period (in shares) at Jul. 31, 2022		19,547,265
Treasury Stock, Beginning of Period (in shares) at Jul. 31, 2022					(5,127,274)
Net Income	29,483	$ 0	0		$ 0	0
Net Income Attributable to Oil-Dri	29,551			29,551
Net Loss Attributable to Noncontrolling Interest	68						(68)
Other comprehensive income	2,931	0	0	0	0	2,931	0
Dividends Declared	(7,509)	0	0	(7,509)	$ 0	0	0
Purchases of Treasury Stock (in shares)					(25,055)
Purchases of Treasury Stock	(1,078)	$ 0	0	0	$ (1,078)	0	0
Net Issuance of Stock Under Long-Term Incentive Plans (in shares)		63,455			23,996
Net issuance of stock under long-term incentive plans	1	$ 7	695	0	$ (701)	0	0
Amortization of Restricted Stock	3,147	0	3,147	0	0	0	0
Contributions from noncontrolling interests	(248)	0	(685)	0	0	0	437
Total, End of Period at Jul. 31, 2023	177,076	$ 1,961	54,778	200,796	$ (81,207)	748	0
Common & Class B Stock, End of Period (in shares) at Jul. 31, 2023		19,610,720
Treasury Stock, End of Period (in shares) at Jul. 31, 2023					(5,176,325)
Net Income	39,426	$ 0	0		$ 0	0
Net Income Attributable to Oil-Dri	39,426			39,426
Net Loss Attributable to Noncontrolling Interest	0						0
Other comprehensive income	21	0	0	0	0	21	0
Dividends Declared	(7,975)	0	0	(7,975)	$ 0	0	0
Purchases of Treasury Stock (in shares)					(42,554)
Purchases of Treasury Stock	(2,778)	$ 0	0	0	$ (2,778)	0	0
Net Issuance of Stock Under Long-Term Incentive Plans (in shares)		214,450			11,650
Net issuance of stock under long-term incentive plans	(1)	$ 21	434	0	$ (456)	0	0
Amortization of Restricted Stock	4,819	0	4,819	0	0	0	0
Total, End of Period at Jul. 31, 2024	210,588	$ 1,982	60,031	232,247	$ (84,441)	769	0
Common & Class B Stock, End of Period (in shares) at Jul. 31, 2024		19,825,170
Treasury Stock, End of Period (in shares) at Jul. 31, 2024					(5,230,529)
Net Income	53,996	$ 0	0		$ 0	0
Net Income Attributable to Oil-Dri	53,996			53,996
Net Loss Attributable to Noncontrolling Interest	0						0
Other comprehensive income	200	0	0	0	0	200	0
Dividends Declared	(8,743)	0	0	(8,743)	$ 0	0	0
Purchases of Treasury Stock (in shares)					(36,958)
Purchases of Treasury Stock	(2,349)	$ 0	0	0	$ (2,349)	0	0
Net Issuance of Stock Under Long-Term Incentive Plans (in shares)		101,575			16,022
Net issuance of stock under long-term incentive plans	0	$ 11	739	0	$ (750)	0	0
Amortization of Restricted Stock	5,368	0	5,368	0	0	0	0
Total, End of Period at Jul. 31, 2025	$ 259,060	$ 1,993	$ 66,138	$ 277,500	$ (87,540)	$ 969	$ 0
Common & Class B Stock, End of Period (in shares) at Jul. 31, 2025		19,926,745
Treasury Stock, End of Period (in shares) at Jul. 31, 2025					(5,283,509)