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Equities Changes in Equity (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
May 31, 2020 | Feb. 29, 2020 | Nov. 30, 2019 | May 31, 2019 | Feb. 28, 2019 | Nov. 30, 2018 | May 31, 2020 | May 31, 2019
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning Balance | $ 8,623,956 | $ 8,622,916 | $ 8,617,530 | $ 8,402,229 | $ 8,292,092 | $ 8,165,028 | $ 8,617,530 | $ 8,165,028
Reversal of prior year patronage and redemption estimates | 77,438 | 93,387 | 5,447 | 45,815 | 81,681 | 24,072 |  |
patronage refund | (82) | (90,030) |  | (689) | (74,980) |  |  |
Redemptions of equities | (77,438) | (3,387) | (5,447) | (45,644) | (6,681) | (24,072) |  |
Preferred stock dividends |  | (42,167) | (84,334) |  | (42,167) | (84,334) |  |
ASC Topic 842 cumulative-effect adjustment |  |  | (33,707) |  |  |  |  |
Other, net | (606) | (512) | (949) | (470) | (1,654) | 3,319 |  |
Net income (loss) | 97,501 | 125,694 | 178,737 | 54,713 | 248,304 | 347,115 | 401,932 | 650,132
Net income (loss) attributable to CHS Inc. | 97,648 |  |  | 54,620 |  |  | 400,977 | 650,890
Net income (loss) attributable to noncontrolling interests | (147) |  |  | 93 |  |  | 955 | (758)
Other comprehensive income (loss), net of tax | (2,009) | (10,585) | (1,638) | (22,313) | 14,884 | 389 | (14,232) | (7,040)
Estimated 2019 cash patronage refunds | 13,551 | (22,206) | (28,504) | (15,494) | (69,400) | (89,344) |  |
Estimated 2019 equity redemptions | 47,975 | (49,154) | (91,633) | (6,438) | (39,850) | (50,081) |  |
Ending Balance | 8,780,286 | 8,623,956 | 8,622,916 | 8,411,709 | 8,402,229 | 8,292,092 | 8,780,286 | 8,411,709
Capital equity certificates [Member] |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning Balance | 3,613,612 | 3,662,578 | 3,753,493 | 3,749,227 | 3,789,158 | 3,837,580 | 3,753,493 | 3,837,580
Reversal of prior year patronage and redemption estimates | 67,438 | 3,387 | 5,447 | 45,815 | 6,681 | 24,072 |  |
Redemptions of equities | (64,273) | (2,998) | (4,721) | (34,798) | (5,988) | (22,004) |  |
Other, net | (1,544) | (201) | (8) | (1,285) | (774) | (409) |  |
Estimated 2019 equity redemptions | 47,975 | (49,154) | (91,633) | (6,438) | (39,850) | (50,081) |  |
Ending Balance | 3,663,208 | 3,613,612 | 3,662,578 | 3,752,521 | 3,749,227 | 3,789,158 | 3,663,208 | 3,752,521
Nonpatronage Equity Certificates [Member] |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning Balance | 29,000 | 29,020 | 29,074 | 29,241 | 29,315 | 29,498 | 29,074 | 29,498
Reversal of prior year patronage and redemption estimates | 0 | 0 | 0 | 0 | 0 | 0 |  |
Redemptions of equities | (91) | (20) | (54) | (34) | (74) | (183) |  |
Other, net | (7) |  |  |  |  |  |  |
Ending Balance | 28,902 | 29,000 | 29,020 | 29,207 | 29,241 | 29,315 | 28,902 | 29,207
Non-qualified Equity Certificates [Member] |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning Balance | 1,206,901 | 1,205,599 | 1,206,310 | 746,460 | 740,467 | 742,378 | 1,206,310 | 742,378
Reversal of prior year patronage and redemption estimates | 10,000 | (472,398) | 0 |  | (345,330) | 0 |  |
patronage refund | 327 | 474,066 |  | 3,212 | 349,353 |  |  |
Redemptions of equities | (13,074) | (369) | (672) | (10,812) | (619) | (1,885) |  |
Other, net | (116) | 3 | (39) | (3,722) | 2,589 | (26) |  |
Ending Balance | 1,204,038 | 1,206,901 | 1,205,599 | 735,138 | 746,460 | 740,467 | 1,204,038 | 735,138
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 | 2,264,038 | 2,264,038
Redemptions of equities | 0 | 0 | 0 | 0 | 0 | 0 |  |
Ending Balance | 2,264,038 | 2,264,038 | 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 | (239,156) | (228,571) | (226,933) | (189,348) | (204,232) | (199,915) | (226,933) | (199,915)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax |  |  |  |  |  | (4,706) |  |
Other comprehensive income (loss), net of tax | (2,009) | (10,585) | (1,638) | (22,313) | 14,884 | 389 |  |
Ending Balance | (241,165) | (239,156) | (228,571) | (211,661) | (189,348) | (204,232) | (241,165) | (211,661)
Capital Reserves [Member] |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning Balance | 1,740,983 | 1,681,597 | 1,584,158 | 1,794,279 | 1,663,971 | 1,482,003 | 1,584,158 | 1,482,003
Reversal of prior year patronage and redemption estimates | 0 | 562,398 | 0 |  | 420,330 | 0 |  |
patronage refund | (409) | (564,096) |  | (3,901) | (424,333) |  |  |
Preferred stock dividends |  | (42,167) | (84,334) |  | (42,167) | (84,334) |  |
Other, net | 1,053 | 10 | (1,312) | 4,526 | (2,888) | 3,436 |  |
Net income (loss) attributable to CHS Inc. | 97,648 | 125,447 | 177,882 | 54,620 | 248,766 | 347,504 |  |
Estimated 2019 cash patronage refunds | 13,551 | (22,206) | (28,504) | (15,494) | (69,400) | (89,344) |  |
Ending Balance | 1,852,826 | 1,740,983 | 1,681,597 | 1,834,030 | 1,794,279 | 1,663,971 | 1,852,826 | 1,834,030
Noncontrolling Interest [Member] |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning Balance | 8,578 | 8,655 | 7,390 | 8,332 | 9,375 | 9,446 | 7,390 | 9,446
Other, net | 8 | (324) | 410 | 11 | (581) | 318 |  |
Net income (loss) attributable to noncontrolling interests | (147) | 247 | 855 | 93 | (462) | (389) |  |
Ending Balance | $ 8,439 | $ 8,578 | 8,655 | $ 8,436 | $ 8,332 | 9,375 | $ 8,439 | $ 8,436
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 |  |  |  |  |
Accounting Standards Update 2016-01 | Accumulated Other Comprehensive Income (Loss) [Member] |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax |  |  |  |  |  | 4,706 |  |
Accounting Standards Update 2016-01 | Capital Reserves [Member] |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax |  |  |  |  |  | $ (4,706) |  |

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