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PENSION AND POSTRETIREMENT BENEFITS - Schedule of Pension Plan Weighted-Average Asset Allocations and Target Asset Allocations (Details) | May 31, 2020 | May 26, 2019
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Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Weighted-average Asset Allocations | 100.00% | 100.00%
Equity securities |  |
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Weighted-average Asset Allocations | 6.00% | 7.00%
Debt securities |  |
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Weighted-average Asset Allocations | 85.00% | 85.00%
Real estate funds |  |
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Weighted-average Asset Allocations | 1.00% | 1.00%
Private equity |  |
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Weighted-average Asset Allocations | 3.00% | 3.00%
Other |  |
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Weighted-average Asset Allocations | 5.00% | 4.00%

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- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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