Operating Segments (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Apr. 30, 2022
Apr. 30, 2021
Jul. 31, 2021
Segment Reporting Information          
Assets $ 241,452   $ 241,452   $ 227,566
Net Sales 85,761 $ 76,255 255,431 $ 226,852  
Corporate Expenses (6,630) (6,345) (19,603) (17,947)  
(Loss) Income from Operations (4,027) 1,931 (1,664) 11,352  
Total Other Income, Net 175 231 892 722  
(Loss) Income Before Income Taxes (3,852) 2,162 (772) 12,074  
Income Tax Benefit (Expense) 1,719 24 1,195 (1,651)  
Net (Loss) Income (2,133) 2,186 423 10,423  
Net Loss Attributable to Noncontrolling Interest (24) (41) (55) (87)  
Net (Loss) Income Attributable to Oil-Dri (2,109) 2,227 478 10,510  
Business to Business Products          
Segment Reporting Information          
Assets 73,832   73,832   69,023
Net Sales 31,375 26,293 92,928 80,098  
Segment Income (Loss) 5,716 6,421 20,052 20,816  
Retail and Wholesale Products          
Segment Reporting Information          
Assets 109,024   109,024   103,268
Net Sales 54,386 49,962 162,503 146,754  
Segment Income (Loss) (3,113) $ 1,855 (2,113) $ 8,483  
Unallocated Assets          
Segment Reporting Information          
Assets $ 58,596   $ 58,596   $ 55,275