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Equities Changes in Equity (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Feb. 28, 2021 | Nov. 30, 2020 | Feb. 29, 2020 | Nov. 30, 2019 | Feb. 28, 2021 | Feb. 29, 2020
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Beginning Balance | $ 8,785,856 | $ 8,819,173 | $ 8,622,916 | $ 8,617,530 | $ 8,819,173 | $ 8,617,530
Reversal of prior year patronage and redemption estimates | 26,135 | 7,726 | 93,387 | 5,447 |  |
patronage refund | (21,416) |  | (90,030) |  |  |
Redemptions of equities | (4,760) | (7,726) | (3,387) | (5,447) |  |
Preferred stock dividends | (42,167) | (84,334) | (42,167) | (84,334) |  |
ASC Topic 842 cumulative effect adjustment |  |  |  | 33,707 |  |
Other, net | 666 | (8,661) | (512) | (949) |  |
Net income (loss) | (38,358) | 69,369 | 125,694 | 178,737 | 31,011 | 304,431
Net income (loss) attributable to CHS Inc. | (38,229) |  | 125,447 |  | 31,442 | 303,329
Net (loss) income attributable to noncontrolling interests | (129) |  | 247 |  | (431) | 1,102
Other comprehensive income, net of tax | 2,549 | 8,917 | (10,585) | (1,638) | 11,466 | (12,223)
Estimated 2021 cash patronage refunds | 5,639 | (9,304) | (22,206) | (28,504) |  |
Estimated 2021 equity redemptions | 5,639 | (9,304) | (49,154) | (91,633) |  |
Ending Balance | 8,719,783 | 8,785,856 | 8,623,956 | 8,622,916 | 8,719,783 | 8,623,956
Capital equity certificates [Member] |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Beginning Balance | 3,715,416 | 3,724,187 | 3,662,578 | 3,753,493 | 3,724,187 | 3,753,493
Reversal of prior year patronage and redemption estimates | 4,760 | 7,726 | 3,387 | 5,447 |  |
Redemptions of equities | (4,177) | (6,539) | (2,998) | (4,721) |  |
Other, net | (26) | (654) | (201) | (8) |  |
Estimated 2021 equity redemptions | 5,639 | (9,304) | (49,154) | (91,633) |  |
Ending Balance | 3,721,612 | 3,715,416 | 3,613,612 | 3,662,578 | 3,721,612 | 3,613,612
Nonpatronage Equity Certificates [Member] |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Beginning Balance | 28,649 | 28,727 | 29,020 | 29,074 | 28,727 | 29,074
Reversal of prior year patronage and redemption estimates | 0 | 0 | 0 | 0 |  |
Redemptions of equities | (35) | (31) | (20) | (54) |  |
Other, net |  | (47) |  |  |  |
Ending Balance | 28,614 | 28,649 | 29,000 | 29,020 | 28,614 | 29,000
Non-qualified Equity Certificates [Member] |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Beginning Balance | 1,407,343 | 1,408,696 | 1,205,599 | 1,206,310 | 1,408,696 | 1,206,310
Reversal of prior year patronage and redemption estimates | (211,970) | 0 | (472,398) | 0 |  |
patronage refund | 214,720 |  | 474,066 |  |  |
Redemptions of equities | (548) | (1,156) | (369) | (672) |  |
Other, net | (15) | (197) | 3 | (39) |  |
Ending Balance | 1,409,530 | 1,407,343 | 1,206,901 | 1,205,599 | 1,409,530 | 1,206,901
Preferred Stock [Member] |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Beginning Balance | 2,264,038 | 2,264,038 | 2,264,038 | 2,264,038 | 2,264,038 | 2,264,038
Redemptions of equities | 0 | 0 | 0 | 0 |  |
Ending Balance | 2,264,038 | 2,264,038 | 2,264,038 | 2,264,038 | 2,264,038 | 2,264,038
Accumulated Other Comprehensive Income (Loss) [Member] |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Beginning Balance | (225,007) | (233,924) | (228,571) | (226,933) | (233,924) | (226,933)
Other comprehensive income, net of tax | 2,549 | 8,917 | (10,585) | (1,638) |  |
Ending Balance | (222,458) | (225,007) | (239,156) | (228,571) | (222,458) | (239,156)
Capital Reserves [Member] |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Beginning Balance | 1,586,382 | 1,618,147 | 1,681,597 | 1,584,158 | 1,618,147 | 1,584,158
Reversal of prior year patronage and redemption estimates | 233,345 | 0 | 562,398 | 0 |  |
patronage refund | (236,136) |  | (564,096) |  |  |
Preferred stock dividends | (42,167) | (84,334) | (42,167) | (84,334) |  |
Other, net | 1,068 | (7,798) | 10 | (1,312) |  |
Net income (loss) attributable to CHS Inc. | (38,229) | 69,671 | 125,447 | 177,882 |  |
Estimated 2021 cash patronage refunds | 5,639 | (9,304) | (22,206) | (28,504) |  |
Ending Balance | 1,509,902 | 1,586,382 | 1,740,983 | 1,681,597 | 1,509,902 | 1,740,983
Noncontrolling Interest [Member] |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Beginning Balance | 9,035 | 9,302 | 8,655 | 7,390 | 9,302 | 7,390
Other, net | (361) | 35 | (324) | 410 |  |
Net (loss) income attributable to noncontrolling interests | (129) | (302) | 247 | 855 |  |
Ending Balance | $ 8,545 | $ 9,035 | $ 8,578 | 8,655 | $ 8,545 | $ 8,578
Accounting Standards Update 2016-02 [Member] | Capital equity certificates [Member] |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
ASC Topic 842 cumulative effect adjustment |  |  |  | 0 |  |
Accounting Standards Update 2016-02 [Member] | Nonpatronage Equity Certificates [Member] |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
ASC Topic 842 cumulative effect adjustment |  |  |  | 0 |  |
Accounting Standards Update 2016-02 [Member] | Non-qualified Equity Certificates [Member] |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
ASC Topic 842 cumulative effect adjustment |  |  |  | 0 |  |
Accounting Standards Update 2016-02 [Member] | Preferred Stock [Member] |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
ASC Topic 842 cumulative effect adjustment |  |  |  | 0 |  |
Accounting Standards Update 2016-02 [Member] | Accumulated Other Comprehensive Income (Loss) [Member] |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
ASC Topic 842 cumulative effect adjustment |  |  |  | 0 |  |
Accounting Standards Update 2016-02 [Member] | Capital Reserves [Member] |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
ASC Topic 842 cumulative effect adjustment |  |  |  | 33,707 |  |
Accounting Standards Update 2016-02 [Member] | Noncontrolling Interest [Member] |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
ASC Topic 842 cumulative effect adjustment |  |  |  | $ 0 |  |

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