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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Accumulated Balances for Each Component of Other Comprehensive Income (Loss), Net of Tax (Parenthetical) (Details) - ASU 2016-01 $ in Millions | 12 Months Ended
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May 26, 2019 USD ($)
Retained earnings |
Accumulated Other Comprehensive Income Loss [Line Items] |
Unrealized gains on available-for-sale securities reclassified to retained earnings | $ 0.6
Accumulated other comprehensive income (loss) |
Accumulated Other Comprehensive Income Loss [Line Items] |
Unrealized gains on available-for-sale securities reclassified to retained earnings | $ (0.6)

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- Definition Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e637-108580 + Details
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