Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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Amount of increase in the fair value of derivatives recognized in the income statement.

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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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Amount before tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

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Fair Value Measurements Fair Value Measurements (Details) - USD ($)		1 Months Ended	3 Months Ended
	Jun. 12, 2017	Sep. 30, 2016	Sep. 01, 2018	Sep. 02, 2017	Jun. 02, 2018
Derivative [Line Items]
Unrealized Gain/(loss)			$ 100,000		$ 100,000
Market Value			8,500,000		8,600,000
Interest rate swaps			(500,000)	$ (1,600,000)
Gain (loss) on cash flow hedge ineffectiveness, net			0	0
Other comprehensive income (loss), reclassification adjustment from aoci on derivatives, before tax			0	0
Foreign currency exchange contracts
Derivative [Line Items]
Gain on derivative			400,000	0
Interest rate swap agreement
Derivative [Line Items]
Notional amount	$ 75,000,000.0	$ 150,000,000.0
Debt conversion rate	2.387%	1.949%
Fixed Income Securities
Derivative [Line Items]
Unrealized Gain/(loss)			(100,000)	(100,000)	(100,000)
Market Value			7,600,000		7,700,000
Equity Securities
Derivative [Line Items]
Debt and equity securities, unrealized gain (loss)			100,000	$ 100,000
Fair Value, Inputs, Level 2 \| Fair Value, Measurements, Recurring
Derivative [Line Items]
Market Value			22,000,000.0		22,700,000
Fair Value, Inputs, Level 2 \| Fair Value, Measurements, Recurring \| Interest rate swap agreement
Derivative [Line Items]
Market Value			14,400,000		15,000,000.0
Fair Value, Inputs, Level 2 \| Fair Value, Measurements, Recurring \| Fixed Income Securities
Derivative [Line Items]
Market Value			$ 7,600,000		$ 7,700,000