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LONG-TERM DEBT AND REVOLVING CREDIT FACILITY (Net Interest Expense) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Feb. 28, 2016 | Feb. 22, 2015 | Feb. 28, 2016 | Feb. 22, 2015
Debt Disclosure [Abstract] |  |  |  |
Long-term debt | $ 77.4 | $ 80.6 | $ 240.4 | $ 245.2
Short-term debt | 1.2 | 1.0 | 2.0 | 2.3
Interest income | (0.5) | (0.2) | (0.8) | (1.0)
Interest capitalized | (1.2) | (1.6) | (4.8) | (4.7)
Interest expense, net | $ 76.9 | $ 79.8 | $ 236.8 | $ 241.8

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- Definition Amount of interest costs capitalized disclosed as an adjusting item to interest costs incurred. + References No definition available. + Details
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- Definition Aggregate amount of interest paid or due on all long-term debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.8) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition The aggregate interest expense incurred on short-term borrowings including commercial paper and Federal funds purchased and securities sold under agreements to repurchase. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.7) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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