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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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The estimated value of gains (losses), gross anticipated to be transferred in the future from accumulated other comprehensive income into earnings.

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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.

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Nominal or face amount used to calculate payments on the derivative liability.

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Fair value as of the balance sheet date of all interest rate derivative liabilities designated as cash flow hedging instruments.

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Amount after tax, before reclassification adjustments of other comprehensive income (loss).

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Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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