Consolidated Statements of Stockholders Equity Statement - USD ($) $ in Thousands	Total	Common & Class B Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Loss	Noncontrolling Interest
Total, Beginning of Period at Jul. 31, 2022	$ 150,349	$ 1,108	$ 52,467	$ 178,754	$ (79,428)	$ (2,183)	$ (369)
Common & Class B Stock, Beginning of Period (in shares) at Jul. 31, 2022		11,083,824
Treasury Stock, Beginning of Period (in shares) at Jul. 31, 2022					(3,961,579)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income Attributable to Oil-Dri	9,097	$ 0	0	9,097	$ 0	0
Net Loss Attributable to Noncontrolling Interest	(21)						(21)
Net Income, Including Portion Attributable to Noncontrolling Interest	9,076
Other Comprehensive Income (Loss)	(142)	0	0	0	0	(142)	0
Dividends Declared	(3,718)	0	0	(3,718)	0	0	0
Purchases of Treasury Stock	(225)	0	0	0	$ (225)	0	0
Purchases of Treasury Stock (in shares)					(7,493)
Net issuance of stock under long-term incentive plans	0	$ 6	227	0	$ 233	0	0
Net issuance of stock under long-term incentive plans (in shares)		(57,455)			(7,246)
Amortization of Restricted Stock	1,634	$ 0	1,634	0	$ 0	0	0
Total, End of Period at Jan. 31, 2023	156,974	$ 1,114	54,328	184,133	$ (79,886)	(2,325)	(390)
Common Stock & Class B Stock, End of Period (in shares) at Jan. 31, 2023		11,141,279
Treasury Stock, End of Period (in shares) at Jan. 31, 2023					(3,976,318)
Total, Beginning of Period at Oct. 31, 2022	154,028	$ 1,112	53,385	182,135	$ (79,648)	(2,576)	(380)
Common & Class B Stock, Beginning of Period (in shares) at Oct. 31, 2022		11,122,674
Treasury Stock, Beginning of Period (in shares) at Oct. 31, 2022					(3,968,939)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income Attributable to Oil-Dri	3,856	$ 0	0	3,856	$ 0	0
Net Loss Attributable to Noncontrolling Interest	(10)						(10)
Net Income, Including Portion Attributable to Noncontrolling Interest	3,846
Other Comprehensive Income (Loss)	251	0	0	0	0	251	0
Dividends Declared	(1,858)	0	0	(1,858)	0	0	0
Purchases of Treasury Stock	(133)	0	0	0	$ (133)	0	0
Purchases of Treasury Stock (in shares)					(4,133)
Net issuance of stock under long-term incentive plans	0	$ 2	103	0	$ 105	0	0
Net issuance of stock under long-term incentive plans (in shares)		(18,605)			(3,246)
Amortization of Restricted Stock	840	$ 0	840	0	$ 0	0	0
Total, End of Period at Jan. 31, 2023	156,974	$ 1,114	54,328	184,133	$ (79,886)	(2,325)	(390)
Common Stock & Class B Stock, End of Period (in shares) at Jan. 31, 2023		11,141,279
Treasury Stock, End of Period (in shares) at Jan. 31, 2023					(3,976,318)
Total, Beginning of Period at Jul. 31, 2023	177,076	$ 1,115	55,624	200,796	$ (81,207)	748	0
Common & Class B Stock, Beginning of Period (in shares) at Jul. 31, 2023		11,147,279
Treasury Stock, Beginning of Period (in shares) at Jul. 31, 2023					(4,010,630)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income Attributable to Oil-Dri	23,124	$ 0	0	23,124	$ 0	0
Net Loss Attributable to Noncontrolling Interest	0						0
Net Income, Including Portion Attributable to Noncontrolling Interest	23,124
Other Comprehensive Income (Loss)	(15)	0	0	0	0	(15)	0
Dividends Declared	(3,925)	0	0	(3,925)	0	0	0
Purchases of Treasury Stock	(2,575)	0	0	0	$ (2,575)	0	0
Purchases of Treasury Stock (in shares)					(40,075)
Net issuance of stock under long-term incentive plans	(1)	$ 19	227	0	$ 247	0	0
Net issuance of stock under long-term incentive plans (in shares)		(195,000)			(6,025)
Amortization of Restricted Stock	2,354	$ 0	2,354	0	$ 0	0	0
Total, End of Period at Jan. 31, 2024	196,038	$ 1,134	58,205	219,995	$ (84,029)	733	0
Common Stock & Class B Stock, End of Period (in shares) at Jan. 31, 2024		11,342,279
Treasury Stock, End of Period (in shares) at Jan. 31, 2024					(4,056,730)
Total, Beginning of Period at Oct. 31, 2023	185,916	$ 1,133	56,746	209,585	$ (82,111)	563	0
Common & Class B Stock, Beginning of Period (in shares) at Oct. 31, 2023		11,329,279
Treasury Stock, Beginning of Period (in shares) at Oct. 31, 2023					(4,026,459)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income Attributable to Oil-Dri	12,382	$ 0	0	12,382	$ 0	0
Net Loss Attributable to Noncontrolling Interest	0						0
Net Income, Including Portion Attributable to Noncontrolling Interest	12,382
Other Comprehensive Income (Loss)	170	0	0	0	0	170	0
Dividends Declared	(1,972)	0	0	(1,972)	0	0	0
Purchases of Treasury Stock	(1,703)	0	0	0	$ (1,703)	0	0
Purchases of Treasury Stock (in shares)					(24,746)
Net issuance of stock under long-term incentive plans	(1)	$ 1	213	0	$ 215	0	0
Net issuance of stock under long-term incentive plans (in shares)		(13,000)			(5,525)
Amortization of Restricted Stock	1,246	$ 0	1,246	0	$ 0	0	0
Total, End of Period at Jan. 31, 2024	$ 196,038	$ 1,134	$ 58,205	$ 219,995	$ (84,029)	$ 733	$ 0
Common Stock & Class B Stock, End of Period (in shares) at Jan. 31, 2024		11,342,279
Treasury Stock, End of Period (in shares) at Jan. 31, 2024					(4,056,730)