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, 2020	$ 147,964	$ 1,089	$ 44,993	$ 176,579	$ (62,269)	$ (12,254)	$ (174)
Common & Class B Stock, Beginning of Period (in shares) at Jul. 31, 2020		10,886,405
Treasury Stock, Beginning of Period (in shares) at Jul. 31, 2020					(3,426,046)
Net Income	10,980	$ 0	0		$ 0	0
Net Income Attributable to Oil-Dri	11,113			11,113
Net Loss Attributable to Noncontrolling Interest	(133)						(133)
Other comprehensive income	8,137	0	0	0	0	8,137	0
Dividends Declared	(7,249)	0	0	(7,249)	$ 0	0	0
Purchases of Treasury Stock (in shares)					(87,647)
Purchases of Treasury Stock	(3,130)	$ 0	0	0	$ (3,130)	0	0
Net Issuance of Stock Under Long-Term Incentive Plans (in shares)		71,962			25,500
Net issuance of stock under long-term incentive plans	(1)	$ 7	747	0	$ (755)	0	0
Amortization of Restricted Stock	2,531	0	2,531	0	0	0	0
Total, End of Period at Jul. 31, 2021	159,232	$ 1,096	48,271	180,443	$ (66,154)	(4,117)	(307)
Common & Class B Stock, End of Period (in shares) at Jul. 31, 2021		10,958,367
Treasury Stock, End of Period (in shares) at Jul. 31, 2021					(3,539,193)
Net Income	5,612	$ 0	0		$ 0	0
Net Income Attributable to Oil-Dri	5,674			5,674
Net Loss Attributable to Noncontrolling Interest	(62)						(62)
Other comprehensive income	1,934	0	0	0	0	1,934	0
Dividends Declared	(7,363)	0	0	(7,363)	$ 0	0	0
Purchases of Treasury Stock (in shares)					(379,586)
Purchases of Treasury Stock	(11,806)	$ 0	0	0	$ (11,806)	0	0
Net Issuance of Stock Under Long-Term Incentive Plans (in shares)		125,457			42,800
Net issuance of stock under long-term incentive plans	(1)	$ 12	1,455	0	$ (1,468)	0	0
Amortization of Restricted Stock	2,741	0	2,741	0	0	0	0
Total, End of Period at Jul. 31, 2022	$ 150,349	$ 1,108	$ 52,467	$ 178,754	$ (79,428)	$ (2,183)	$ (369)
Common & Class B Stock, End of Period (in shares) at Jul. 31, 2022		11,083,824
Treasury Stock, End of Period (in shares) at Jul. 31, 2022					(3,961,579)