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BUSINESS SEGMENTS AND RELATED INFORMATION - Schedule of Net Sales by Product Type (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
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May 26, 2019 | Feb. 24, 2019 | Nov. 25, 2018 | Aug. 26, 2018 | May 27, 2018 | Feb. 25, 2018 | Nov. 26, 2017 | Aug. 27, 2017 | May 26, 2019 | May 27, 2018 | May 28, 2017
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total net sales | $ 2,613.2 | $ 2,707.1 | $ 2,383.7 | $ 1,834.4 | $ 1,966.2 | $ 1,994.5 | $ 2,173.4 | $ 1,804.2 | $ 9,538.4 | $ 7,938.3 | $ 7,826.9
Snacks |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total net sales |  |  |  |  |  |  |  |  | 1,363.4 | 1,199.0 | 1,046.7
Other shelf-stable |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total net sales |  |  |  |  |  |  |  |  | 2,567.1 | 2,088.0 | 2,162.1
Frozen |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total net sales |  |  |  |  |  |  |  |  | 2,968.4 | 2,014.8 | 1,886.1
Refrigerated |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total net sales |  |  |  |  |  |  |  |  | 788.0 | 738.2 | 766.5
International |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total net sales |  |  |  |  |  |  |  |  | 846.2 | 843.5 | 816.0
Foodservice |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total net sales |  |  |  |  |  |  |  |  | 1,005.3 | 1,054.8 | 1,078.4
Commercial |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total net sales |  |  |  |  |  |  |  |  | $ 0.0 | $ 0.0 | $ 71.1

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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