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PENSION AND POSTRETIREMENT BENEFITS - Schedule of the Effect of a One Percentage Point Change in Assumed Health Care Cost Rates (Details) $ in Millions | 12 Months Ended
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May 27, 2018 USD ($)
One Percent Increase |
Effect on total service and interest cost | $ 0.3
Effect on postretirement benefit obligation | 3.9
One Percent Decrease |
Effect on total service and interest cost | (0.3)
Effect on postretirement benefit obligation | $ (3.5)

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- Definition Defined Benefit Plan, Effect Of One-Percentage Point Change In Assumed Health Care Cost Trend Rate, One Percent Decrease [Abstract] + References No definition available. + Details
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- Definition Defined Benefit Plan, Effect Of One-Percentage Point Change In Assumed Health Care Cost Trend Rate, One Percent Increase [Abstract] + References No definition available. + Details
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- Definition Amount of decrease in accumulated postretirement benefit obligation from one-percentage-point decrease in assumed health care cost trend rate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (m) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of decrease in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point decrease in assumed health care cost trend rate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (m) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of increase in accumulated postretirement benefit obligation from one-percentage-point increase in assumed health care cost trend rate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (m) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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