Consolidated Statements of Stockholders Equity Statement - USD ($) | Total | Noncontrolling Interest | Parent | 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, 2018 | $ 131,885,000 | | | $ 1,056,000 | $ 38,473,000 | $ 158,935,000 | $ (55,946,000) | $ (10,615,000) | $ (18,000) |
Common & Class B Stock, Beginning of Period (in shares) at Jul. 31, 2018 | | | | 10,555,828 | | | | | |
Treasury Stock, Beginning of Period (in shares) at Jul. 31, 2018 | | | | | | | (3,238,833) | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | |
Net Income Attributable to Oil-Dri | 8,812,000 | | | $ 0 | 0 | 8,812,000 | $ 0 | 0 | |
Net Income (Loss) Attributable to Noncontrolling Interest | (35,000) | | | | | | | | (35,000) |
Net Income, Including Portion Attributable to Noncontrolling Interest | 8,777,000 | | | | | | | | |
Other comprehensive income | 430,000 | | | 0 | 0 | 0 | 0 | 430,000 | 0 |
Dividends declared | (5,029,000) | | | 0 | 0 | (5,029,000) | 0 | 0 | 0 |
Purchases of treasury stock | 141,000 | | | 0 | 0 | 0 | $ (141,000) | 0 | 0 |
Purchases of treasury stock (in shares) | | | | | | | 4,545 | | |
Net issuance of stock under long-term incentive plans | 1,000 | | | $ (29,000) | (420,000) | 0 | $ (450,000) | 0 | 0 |
Net issuance of stock under long-term incentive plans (in shares) | | | | 297,600 | | | (7,737) | | |
Amortization of restricted stock | 1,594,000 | | | $ 0 | 1,594,000 | 0 | $ 0 | 0 | 0 |
Total, End of Period at Apr. 30, 2019 | 137,515,000 | | | $ 1,085,000 | 40,487,000 | 162,718,000 | $ (56,537,000) | (10,185,000) | (53,000) |
Common Stock & Class B Stock, End of Period (in shares) at Apr. 30, 2019 | | | | 10,853,428 | | | | | |
Treasury Stock, End of Period (in shares) at Apr. 30, 2019 | | | | | | | (3,251,115) | | |
Total, Beginning of Period at Jan. 31, 2019 | 132,764,000 | | | $ 1,081,000 | 39,730,000 | 158,788,000 | $ (56,480,000) | (10,360,000) | 5,000 |
Common & Class B Stock, Beginning of Period (in shares) at Jan. 31, 2019 | | | | 10,812,928 | | | | | |
Treasury Stock, Beginning of Period (in shares) at Jan. 31, 2019 | | | | | | | (3,249,728) | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | |
Net Income Attributable to Oil-Dri | 5,619,000 | | | $ 0 | 0 | 5,619,000 | $ 0 | 0 | |
Net Income (Loss) Attributable to Noncontrolling Interest | (58,000) | | | | | | | | (58,000) |
Net Income, Including Portion Attributable to Noncontrolling Interest | 5,561,000 | | | | | | | | |
Other comprehensive income | 175,000 | | | 0 | 0 | 0 | 0 | 175,000 | 0 |
Dividends declared | 1,689,000 | | | 0 | 0 | (1,689,000) | 0 | 0 | 0 |
Purchases of treasury stock | (6,000) | | | 0 | 0 | 0 | $ (6,000) | 0 | 0 |
Purchases of treasury stock (in shares) | | | | | | | 0 | | |
Net issuance of stock under long-term incentive plans | 0 | | | $ (4,000) | (47,000) | 0 | $ 51,000 | 0 | 0 |
Net issuance of stock under long-term incentive plans (in shares) | | | | 40,500 | | | (1,387) | | |
Amortization of restricted stock | 710,000 | | | $ 0 | 710,000 | 0 | $ 0 | 0 | 0 |
Total, End of Period at Apr. 30, 2019 | 137,515,000 | | | $ 1,085,000 | 40,487,000 | 162,718,000 | $ (56,537,000) | (10,185,000) | (53,000) |
Common Stock & Class B Stock, End of Period (in shares) at Apr. 30, 2019 | | | | 10,853,428 | | | | | |
Treasury Stock, End of Period (in shares) at Apr. 30, 2019 | | | | | | | (3,251,115) | | |
Total, Beginning of Period at Jul. 31, 2019 | 135,546,000 | | | $ 1,086,000 | 41,300,000 | 164,756,000 | $ (56,543,000) | (15,039,000) | (14,000) |
Common & Class B Stock, Beginning of Period (in shares) at Jul. 31, 2019 | | | | 10,860,678 | | | | | |
Treasury Stock, Beginning of Period (in shares) at Jul. 31, 2019 | | | | | | | (3,251,288) | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | |
Net Income Attributable to Oil-Dri | 13,014,000 | | | $ 0 | 0 | 13,014,000 | $ 0 | 0 | |
Net Income (Loss) Attributable to Noncontrolling Interest | (155,000) | | | | | | | | (155,000) |
Net Income, Including Portion Attributable to Noncontrolling Interest | 12,859,000 | | | | | | | | |
Other comprehensive income | 5,444,000 | | | 0 | 0 | 0 | 0 | 5,444,000 | 0 |
Dividends declared | (5,266,000) | | | 0 | 0 | (5,266,000) | 0 | 0 | 0 |
Purchases of treasury stock | 4,620,000 | | | 0 | 0 | 0 | $ (4,620,000) | 0 | 0 |
Purchases of treasury stock (in shares) | | | | | | | 143,391 | | |
Net issuance of stock under long-term incentive plans | (1,000) | | | $ (2,000) | (158,000) | 0 | $ 159,000 | 0 | 0 |
Net issuance of stock under long-term incentive plans (in shares) | | | | 22,477 | | | (4,950) | | |
Amortization of restricted stock | 2,549,000 | | | $ 0 | 2,549,000 | 0 | $ 0 | 0 | 0 |
Contributions from noncontrolling interests | 142,000 | | | 0 | 142,000 | 0 | 0 | 0 | 0 |
Total, End of Period at Apr. 30, 2020 | 146,655,000 | | | $ 1,088,000 | 44,149,000 | 172,504,000 | $ (61,322,000) | (9,595,000) | (169,000) |
Common Stock & Class B Stock, End of Period (in shares) at Apr. 30, 2020 | | | | 10,883,155 | | | | | |
Treasury Stock, End of Period (in shares) at Apr. 30, 2020 | | | | | | | (3,399,629) | | |
Noncontrolling Interest | | | | | | | | | |
Amount Contributed to Purchase of Additional Interest by Parent | | | $ 724,000 | | | | | | |
Total, Beginning of Period at Jan. 31, 2020 | 146,929,000 | | | $ 1,088,000 | 43,149,000 | 169,590,000 | $ (57,138,000) | (9,589,000) | (171,000) |
Common & Class B Stock, Beginning of Period (in shares) at Jan. 31, 2020 | | | | 10,881,155 | | | | | |
Treasury Stock, Beginning of Period (in shares) at Jan. 31, 2020 | | | | | | | (3,269,059) | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | |
Net Income Attributable to Oil-Dri | 4,648,000 | | | $ 0 | 0 | 4,648,000 | $ 0 | 0 | |
Net Income (Loss) Attributable to Noncontrolling Interest | 2,000 | | | | | | | | 2,000 |
Net Income, Including Portion Attributable to Noncontrolling Interest | 4,650,000 | | | | | | | | |
Other comprehensive income | (6,000) | | | 0 | 0 | 0 | 0 | (6,000) | 0 |
Dividends declared | 1,734,000 | | | 0 | 0 | (1,734,000) | 0 | 0 | 0 |
Purchases of treasury stock | (4,097,000) | | | 0 | 0 | 0 | $ (4,097,000) | 0 | 0 |
Purchases of treasury stock (in shares) | | | | | | | 127,770 | | |
Net issuance of stock under long-term incentive plans | (1,000) | | | $ 0 | (88,000) | 0 | $ 87,000 | 0 | 0 |
Net issuance of stock under long-term incentive plans (in shares) | | | | 2,000 | | | (2,800) | | |
Amortization of restricted stock | 770,000 | | | $ 0 | 770,000 | 0 | $ 0 | 0 | 0 |
Contributions from noncontrolling interests | 142,000 | | | 0 | 142,000 | 0 | 0 | 0 | 0 |
Total, End of Period at Apr. 30, 2020 | $ 146,655,000 | | | $ 1,088,000 | $ 44,149,000 | $ 172,504,000 | $ (61,322,000) | $ (9,595,000) | $ (169,000) |
Common Stock & Class B Stock, End of Period (in shares) at Apr. 30, 2020 | | | | 10,883,155 | | | | | |
Treasury Stock, End of Period (in shares) at Apr. 30, 2020 | | | | | | | (3,399,629) | | |
Noncontrolling Interest | | | | | | | | | |
Noncontrolling Interest, Parent Ownership Percentage Prior to Purchase of Additional Interest | | | 52.00% | | | | | | |
Noncontrolling Interest, Ownership Percentage by Parent | | | 78.40% | | | | | | |
Noncontrolling Interest, Ownership Percentage Prior to Parent's Purchase of Additional Interest | | 48.00% | | | | | | | |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners | | 21.60% | | | | | | | |