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INVESTMENTS IN JOINT VENTURES - Summary of Combined Financial Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
May 27, 2018 | May 28, 2017 | May 29, 2016
Statement of Earnings |  |  |
Total net sales | $ 3,542.9 | $ 3,357.7 | $ 3,562.5
Total gross margin | 421.3 | 374.9 | 372.0
Total earnings after income taxes | 207.1 | 162.1 | 149.3
Ardent Mills |  |  |
Statement of Earnings |  |  |
Total net sales | 3,344.1 | 3,180.0 | 3,395.3
Total gross margin | 386.5 | 340.3 | 339.2
Total earnings after income taxes | 197.0 | 152.0 | 142.9
Balance Sheet |  |  |
Current assets | 974.6 | 937.2 |
Noncurrent assets | 1,675.7 | 1,694.2 |
Current liabilities | 355.6 | 388.9 |
Noncurrent liabilities | 510.9 | 518.0 |
Others |  |  |
Statement of Earnings |  |  |
Total net sales | 198.8 | 177.7 | 167.2
Total gross margin | 34.8 | 34.6 | 32.8
Total earnings after income taxes | 10.1 | 10.1 | $ 6.4
Balance Sheet |  |  |
Current assets | 76.4 | 75.5 |
Noncurrent assets | 15.5 | 12.2 |
Current liabilities | 37.5 | 44.5 |
Noncurrent liabilities | $ 0.1 | $ 0.0 |

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