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STOCKHOLDERS' EQUITY (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Feb. 24, 2019 | Nov. 25, 2018 | Aug. 26, 2018 | Feb. 25, 2018 | Nov. 26, 2017 | Aug. 27, 2017 | Feb. 24, 2019 | Feb. 25, 2018 | May 27, 2018 | May 28, 2018 | Nov. 27, 2017
Conagra Brands, Inc. Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | $ 7,303.3 | $ 3,815.0 | $ 3,756.6 | $ 3,786.5 | $ 3,882.6 | $ 4,077.8 | $ 3,756.6 | $ 4,077.8 | $ 4,077.8 |  |
Stock option and incentive plans | 4.0 | 6.0 | 9.8 | 18.1 | 16.0 | 6.1 |  |  |  |  |
Spinoff of Lamb Weston |  |  |  | (0.7) | 14.5 | 1.0 |  |  |  |  |
Currency translation adjustment, net | 7.4 | (15.7) | (3.0) | 5.0 | (12.6) | 32.5 |  |  |  |  |
Issuance of treasury shares |  | 2,816.3 |  |  |  |  |  |  |  |  |
Issuance of common stock |  | 555.7 |  |  |  |  |  |  |  |  |
Repurchase of common shares |  |  |  | (280.0) | (280.0) | (300.0) |  |  |  |  |
Unrealized gain on securities | 0.0 |  |  | 0.6 | 0.2 | 0.2 | 0.0 | 1.0 |  |  |
Derivative adjustment, net | (2.0) | 79.2 | (43.4) | 0.9 | 0.7 |  |  |  |  |  |
Activities of noncontrolling interests | 0.1 | 2.2 | 0.0 | 0.9 | 1.0 | 0.8 |  |  |  |  |
Pension and postretirement healthcare benefits | (0.1) | (0.2) | (0.5) | (0.1) | 26.7 |  |  |  |  |  |
Dividends declared on common stock; $0.2125 per share | $ (103.2) | $ (86.8) | $ (83.2) | $ (84.5) | $ (86.1) | $ (88.3) |  |  |  |  |
Dividends declared on common stock (in dollars per share) | $ 0.2125 | $ 0.2125 | $ 0.2125 | $ 0.2125 | $ 0.2125 | $ 0.2125 |  |  |  |  |
Net income attributable to Conagra Brands, Inc. | $ 242.0 | $ 131.6 | $ 178.2 | $ 362.8 | $ 223.5 | $ 152.5 | 551.8 | 738.8 |  |  |
Balance at ending of period | $ 7,451.5 | $ 7,303.3 | $ 3,815.0 | $ 3,809.5 | $ 3,786.5 | $ 3,882.6 | $ 7,451.5 | $ 3,809.5 | $ 3,756.6 |  |
Accounting Standards Update 2016-01 |  |  |  |  |  |  |  |  |  |  |
Conagra Brands, Inc. Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |
Adoption of ASU |  |  |  |  |  |  |  |  |  | $ 0.0 |
Accounting Standards Update 2014-09 |  |  |  |  |  |  |  |  |  |  |
Conagra Brands, Inc. Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |
Adoption of ASU |  |  |  |  |  |  |  |  |  | 0.5 |
Accounting Standards Update 2018-02 |  |  |  |  |  |  |  |  |  |  |
Conagra Brands, Inc. Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |
Adoption of ASU |  |  |  |  |  |  |  |  |  |  | $ 0.0
Common Stock |  |  |  |  |  |  |  |  |  |  |
Conagra Brands, Inc. Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period (in shares) | 584.2 | 567.9 | 567.9 | 567.9 | 567.9 | 567.9 | 567.9 | 567.9 | 567.9 |  |
Balance at beginning of period | $ 2,921.2 | $ 2,839.7 | $ 2,839.7 | $ 2,839.7 | $ 2,839.7 | $ 2,839.7 | $ 2,839.7 | $ 2,839.7 | $ 2,839.7 |  |
Issuance of common stock (shares) |  | 16.3 |  |  |  |  |  |  |  |  |
Issuance of common stock |  | $ 81.5 |  |  |  |  |  |  |  |  |
Balance at end of period (in shares) | 584.2 | 584.2 | 567.9 | 567.9 | 567.9 | 567.9 | 584.2 | 567.9 | 567.9 |  |
Balance at ending of period | $ 2,921.2 | $ 2,921.2 | $ 2,839.7 | $ 2,839.7 | $ 2,839.7 | $ 2,839.7 | $ 2,921.2 | $ 2,839.7 | $ 2,839.7 |  |
Additional Paid-in Capital |  |  |  |  |  |  |  |  |  |  |
Conagra Brands, Inc. Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | 2,280.8 | 1,165.6 | 1,180.0 | 1,166.8 | 1,159.9 | 1,171.9 | 1,180.0 | 1,171.9 | 1,171.9 |  |
Stock option and incentive plans | (3.9) | 2.2 | (14.1) | 6.9 | 6.9 | (12.0) |  |  |  |  |
Issuance of treasury shares |  | 638.2 |  |  |  |  |  |  |  |  |
Issuance of common stock |  | 474.2 |  |  |  |  |  |  |  |  |
Activities of noncontrolling interests | 0.3 | 0.6 | (0.3) |  |  |  |  |  |  |  |
Balance at ending of period | 2,277.2 | 2,280.8 | 1,165.6 | 1,173.7 | 1,166.8 | 1,159.9 | 2,277.2 | 1,173.7 | 1,180.0 |  |
Retained Earnings |  |  |  |  |  |  |  |  |  |  |
Conagra Brands, Inc. Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | 4,886.4 | 4,841.5 | 4,744.9 | 4,464.3 | 4,312.6 | 4,247.0 | 4,744.9 | 4,247.0 | 4,247.0 |  |
Stock option and incentive plans | 0.1 | 0.1 | 0.5 | (0.5) | (0.2) | 0.4 |  |  |  |  |
Spinoff of Lamb Weston |  |  |  | (0.7) | 14.5 | 1.0 |  |  |  |  |
Dividends declared on common stock; $0.2125 per share | (103.2) | (86.8) | (83.2) | (84.5) | (86.1) | (88.3) |  |  |  |  |
Net income attributable to Conagra Brands, Inc. |  | 131.6 | 178.2 |  | 223.5 | 152.5 |  |  |  |  |
Balance at ending of period | 5,025.3 | 4,886.4 | 4,841.5 | 4,758.8 | 4,464.3 | 4,312.6 | 5,025.3 | 4,758.8 | 4,744.9 |  |
Retained Earnings | Accounting Standards Update 2016-01 |  |  |  |  |  |  |  |  |  |  |
Conagra Brands, Inc. Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |
Adoption of ASU |  |  |  |  |  |  |  |  |  | 0.6 |
Unrealized gain on securities |  |  |  |  |  |  | 0.6 |  |  |  |
Retained Earnings | Accounting Standards Update 2014-09 |  |  |  |  |  |  |  |  |  |  |
Conagra Brands, Inc. Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |
Adoption of ASU |  |  |  |  |  |  |  |  |  | 0.5 |
Retained Earnings | Accounting Standards Update 2018-02 |  |  |  |  |  |  |  |  |  |  |
Conagra Brands, Inc. Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |
Adoption of ASU |  |  |  |  |  |  |  |  |  |  | 17.4
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |
Conagra Brands, Inc. Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | (91.5) | (155.7) | (110.5) | (165.2) | (181.2) | (212.9) | (110.5) | (212.9) | (212.9) |  |
Currency translation adjustment, net | 7.9 | (14.8) | (0.7) | 5.7 | (11.6) | 31.5 |  |  |  |  |
Unrealized gain on securities |  |  |  | 0.6 | 0.2 | 0.2 |  |  |  |  |
Derivative adjustment, net | (2.0) | 79.2 | (43.4) | 0.9 | 0.7 |  |  |  |  |  |
Pension and postretirement healthcare benefits | (0.1) | (0.2) | (0.5) | (0.1) | 26.7 |  |  |  |  |  |
Balance at ending of period | (85.7) | (91.5) | (155.7) | (175.5) | (165.2) | (181.2) | (85.7) | (175.5) | (110.5) |  |
Accumulated Other Comprehensive Income (Loss) | Accounting Standards Update 2016-01 |  |  |  |  |  |  |  |  |  |  |
Conagra Brands, Inc. Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |
Adoption of ASU |  |  |  |  |  |  |  |  |  | $ (0.6) |
Unrealized gain on securities |  |  |  |  |  |  |  |  | (0.6) |  |
Accumulated Other Comprehensive Income (Loss) | Accounting Standards Update 2018-02 |  |  |  |  |  |  |  |  |  |  |
Conagra Brands, Inc. Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |
Adoption of ASU |  |  |  |  |  |  |  |  |  |  | $ (17.4)
Treasury Stock |  |  |  |  |  |  |  |  |  |  |
Conagra Brands, Inc. Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | (2,772.8) | (4,954.6) | (4,977.9) | (4,607.9) | (4,337.2) | (4,054.9) | (4,977.9) | (4,054.9) | (4,054.9) |  |
Stock option and incentive plans | 7.8 | 3.7 | 23.3 | 11.7 | 9.3 | 17.7 |  |  |  |  |
Issuance of treasury shares |  | 2,178.1 |  |  |  |  |  |  |  |  |
Repurchase of common shares |  |  |  | (280.0) | (280.0) | (300.0) |  |  |  |  |
Balance at ending of period | (2,765.0) | (2,772.8) | (4,954.6) | (4,876.2) | (4,607.9) | (4,337.2) | (2,765.0) | (4,876.2) | (4,977.9) |  |
Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |
Conagra Brands, Inc. Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | 79.2 | 78.5 | 80.4 | 88.8 | 88.8 | 87.0 | 80.4 | 87.0 | 87.0 |  |
Stock option and incentive plans |  |  | 0.1 |  |  |  |  |  |  |  |
Currency translation adjustment, net | (0.5) | (0.9) | (2.3) | (0.7) | (1.0) | 1.0 |  |  |  |  |
Activities of noncontrolling interests | (0.2) | 1.6 | 0.3 | 0.9 | 1.0 | 0.8 |  |  |  |  |
Balance at ending of period | $ 78.5 | $ 79.2 | $ 78.5 | $ 89.0 | $ 88.8 | $ 88.8 | $ 78.5 | $ 89.0 | $ 80.4 |  |

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