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Restructuring Costs - Narrative (Details) - USD ($) |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jun. 09, 2021 | Aug. 29, 2021 | Aug. 30, 2020 | Nov. 28, 2021 | Nov. 29, 2020 | May 30, 2021 | May 31, 2020
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Proceeds from sales of property and equipment |  |  |  | $ 1,082,000 | $ 12,885,000 |  |
Gain on sale of property |  |  |  | (22,000) | 34,000 |  |
Expected restructuring costs |  |  |  | $ 45,000,000 |  |  |
Salad Dressing Plant In Ontario, California |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Proceeds from sales of property and equipment |  |  | $ 4,900,000 |  |  |  |
Gain on sale of property |  |  | 2,800,000 |  | $ 2,800,000 |  |
Impairment of assets held for sale |  |  |  |  |  |  | $ 10,900,000
Manufacturing Operations in Hanover, Pennsylvania |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Impairment of assets held for sale |  |  | $ 8,800,000 |  |  |  |
Rock Hill South Carolina Distribution Facility |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Proceeds from sales of property and equipment | $ 1,100,000 |  |  |  |  |  |
Gain on sale of property | $ 600,000 | $ 600,000 |  |  |  |  |
Impairment of assets held for sale |  |  |  |  |  | $ 0 |

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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585 + Details
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- Definition Amount expected to be recognized in earnings for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(d)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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