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ACQUISITIONS (Details) - USD ($) $ / shares in Units, $ in Millions |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Oct. 26, 2018 | Feb. 28, 2018 | Oct. 31, 2017 | Nov. 25, 2018 | May 31, 2020 | May 26, 2019 | May 27, 2018
Business Acquisition [Line Items] |  |  |  |  |  |  |
Cash payment for businesses, net of cash acquired |  |  |  |  | $ 0.0 | $ 5,119.2 | $ 337.1
Issued debt |  |  |  |  | 9,786.7 | 10,722.0 |
Cash proceeds from issuance of common stock |  |  |  |  | 0.0 | 555.7 | 0.0
Increase to goodwill |  |  |  |  | 10.1 | 1.5 |
Non-recurring expense related to inventory fair value adjustments |  |  |  |  |  | 53.0 |
Classified as goodwill |  |  |  |  | 11,436.3 | 11,435.4 | 4,477.1
Pinnacle Foods Inc. (Pinnacle) |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Amount of cash each share of common stock acquired is convertible into (in USD per share) | $ 43.11 |  |  |  |  |  |
Number of shares of stock each share of common stock acquired is convertible into (shares) | 0.6494 |  |  |  |  |  |
Par value of shares into which each share of common stock acquired is convertible into (in USD per share) | $ 5.00 |  |  |  |  |  |
Transaction value | $ 8,030.0 |  |  |  |  |  |
Cash payment made in connection with merger | 5,170.0 |  |  |  |  |  |
Cash payment for businesses, net of cash acquired | $ 5,120.0 |  |  |  |  |  |
Company shares issued out of treasury (shares) | 77,500,000 |  |  | 77,500,000 |  |  |
Approximate value of Company shares issued | $ 2,820.0 |  |  |  |  |  |
Long-term debt incurred in connection with Merger | 51.1 |  |  |  |  |  |
Issued debt | 8,330.0 |  |  |  |  |  |
Cash proceeds from issuance of common stock | 575.0 |  |  |  |  |  |
Cash proceeds received from issuance of common stock, net of related fees | 555.7 |  |  |  |  |  |
Increase to goodwill |  |  |  |  | $ 10.1 |  |
Goodwill deductible for income tax purposes | 236.7 |  |  |  |  |  |
Classified as amortizing intangible asset | $ 668.7 |  |  |  |  |  |
Weighted average useful life of acquired intangible assets | 25 years |  |  |  |  |  |
Acquisition related costs incurred |  |  |  |  |  | 66.8 | 62.7
Non-recurring expense related to inventory fair value adjustments |  |  |  |  |  |  | $ 54.1
Non-recurring expense related to securing bridge financing |  |  |  |  |  | $ 45.7 |
Classified as goodwill | $ 7,026.0 |  |  |  |  |  |
Sandwich Bros. of Wisconsin |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Cash payment for businesses, net of cash acquired |  | $ 87.3 |  |  |  |  |
Classified as amortizing intangible asset |  | 7.1 |  |  |  |  |
Classified as goodwill |  | 57.8 |  |  |  |  |
Classified as non-amortizing intangible assets |  | $ 9.7 |  |  |  |  |
Angie's Artisan Treats, LLC |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Cash payment for businesses, net of cash acquired |  |  | $ 249.8 |  |  |  |
Goodwill deductible for income tax purposes |  |  | 95.4 |  |  |  |
Classified as amortizing intangible asset |  |  | 10.3 |  |  |  |
Classified as goodwill |  |  | 156.7 |  |  |  |
Classified as non-amortizing intangible assets |  |  | $ 73.8 |  |  |  |

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