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Fair Value Measurements Interest Rate Derivatives (Details) - USD ($) |  |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Jun. 12, 2017 | Sep. 13, 2016 | Aug. 29, 2020 | Aug. 31, 2019 | Aug. 28, 2021 | May 30, 2020
Derivative [Line Items] |  |  |  |  |  |
Unrealized gains (losses) on interest rate swap agreement |  |  | $ 300,000 | $ 8,800,000 |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax |  |  | (1,100,000) | 200,000 |  |
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net |  |  | 0 | $ 0 |  |
Scenario, Forecast |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Gross Amount to be Transferred |  |  |  |  | $ (4,400,000) |
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred |  |  |  |  | $ (3,300,000) |
Interest rate swap agreement |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Derivative Asset, Notional Amount | $ 75,000,000.0 | $ 150,000,000.0 |  |  |  |
Debt conversion rate | 2.387% | 1.949% |  |  |  |
Interest rate swap agreement | Other Liabilities | Quoted Prices with Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Interest rate swap agreement - liability |  |  | $ 24,600,000 |  |  | $ 25,000,000.0

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- Definition Dividend or interest rate associated with the financial instrument issued in exchange for the original debt being converted in a noncash or part noncash transaction. Noncash are transactions that affect recognized assets or liabilities but that do not result in cash receipts or cash payments. Part noncash refers to that portion of the transaction not resulting in cash receipts or cash payments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4332-108586 + Details
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- Definition Nominal or face amount used to calculate payments on the derivative asset. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959 + Details
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- Definition The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121549185&loc=d3e80845-113994 + Details
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