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Fair Value Measurements Fair Value Measurements (Details) - USD ($) |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Jun. 12, 2017 | Sep. 30, 2016 | Feb. 29, 2020 | Mar. 02, 2019 | Feb. 29, 2020 | Mar. 02, 2019 | Nov. 28, 2020 | Jun. 01, 2019
Derivative [Line Items] |  |  |  |  |  |  |  |
Debt conversion rate |  | 1.949% |  |  |  |  |  |
Unrealized losses on interest rate swap agreement |  |  | $ 6,600,000 | $ 4,400,000 | $ 11,900,000 | $ 3,900,000 |  |
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net |  |  | 0 | 0 | 0 | 0 |  |
Other comprehensive income (loss), reclassification adjustment from aoci on derivatives, before tax |  |  | 100,000 | $ 200,000 |  | 300,000 |  |
Interest rate swap agreement |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative Liability, Notional Amount | $ 75,000,000.0 | $ 150,000,000.0 |  |  |  |  |  |
Debt conversion rate | 2.387% |  |  |  |  |  |  |
Other Liabilities | Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Interest rate swap agreement |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Interest rate swap agreement - liability |  |  | $ 17,300,000 |  | 17,300,000 |  |  | $ 2,200,000
Scenario, Forecast |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Gross Amount to be Transferred |  |  |  |  |  |  | $ 2,400,000 |
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred |  |  |  |  |  |  | $ 1,800,000 |
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Other comprehensive income (loss), net of tax before reclassifications |  |  |  |  | (12,000,000.0) | (4,200,000) |  |
Reclassification from accumulated other comprehensive loss - Other, net |  |  |  |  | $ 100,000 | $ 300,000 |  |

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