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CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Feb. 28, 2021 | Feb. 23, 2020 | Feb. 28, 2021 | Feb. 23, 2020
Income Statement [Abstract] |  |  |  |
Revenue from Contract with Customer, Product and Service [Extensible List] | us-gaap:ProductMember | us-gaap:ProductMember | us-gaap:ProductMember | us-gaap:ProductMember
Cost, Product and Service [Extensible List] | us-gaap:ProductMember | us-gaap:ProductMember | us-gaap:ProductMember | us-gaap:ProductMember
Change in net unrealized gains (losses) on interest rate swap, tax | $ (99) | $ 124 | $ (327) | $ 305

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- Definition Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e640-108580 + Details
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- Definition Indicates product and service for revenue from satisfaction of performance obligation by transferring promised product and service to customer. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 55 -Paragraph 91 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121551570&loc=SL49130690-203046-203046 + Details
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- Definition Indicates type of cost from product sold and service rendered. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 55 -Paragraph 91 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121551570&loc=SL49130690-203046-203046 + Details
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