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ACQUISITIONS - Pro Forma Information (Details) - Pinnacle Foods Inc. (Pinnacle) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Nov. 25, 2018 | Nov. 26, 2017 | Nov. 25, 2018 | Nov. 26, 2017
Business Acquisition [Line Items] |  |  |  |
Pro forma net sales | $ 2,868.1 | $ 3,006.7 | $ 5,426.1 | $ 5,534.0
Pro forma net income from continuing operations attributable to Conagra Brands, Inc. | $ 200.7 | $ 240.7 | $ 404.7 | $ 292.1
Pro forma net income from continuing operations attributable to Conagra Brands, Inc. per share - basic (in usd per share) | $ 0.41 | $ 0.48 | $ 0.83 | $ 0.58
Pro forma net income from continuing operations attributable to Conagra Brands, Inc. per share - diluted (in usd per share) | $ 0.41 | $ 0.48 | $ 0.83 | $ 0.57

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