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Restructuring Costs - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
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May 31, 2020 | May 26, 2019 | May 27, 2018
Restructuring Cost and Reserve [Line Items] |  |  |
Impairment of long-lived assets to be disposed of | $ 10,900 |  |
Property and equipment, net | 192,338 | $ 200,027 |
Current portion of lease liabilities | 4,423 | 75 |
Long term lease liabilities | 26,378 | 3,532 |
Impairment of goodwill and intangible assets | 12,953 | $ 2,000 | $ 0
BreatheWay |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Impairment of goodwill and intangible assets | 1,900 |  |
Salad dressing plant in Ontario, CA |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Impairment of long-lived assets to be disposed of | 10,900 |  |
Property and equipment, net | 2,600 |  |
Current portion of lease liabilities | 300 |  |
Long term lease liabilities | $ 2,900 |  |

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- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(14)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(8)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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