Accumulated Other Comprehensive Income (Loss) (Reclassification from AOCI) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income
Prior service cost (credit)	$ (86)	$ 22	$ (257)	$ 61
Actuarial losses	7,405	9,488	22,224	28,311
Reclassification from AOCIL into earnings - Retirement liability	7,319	9,360	21,967	28,222
Tax effect - Retirement liability	(1,791)	(3,450)	(6,279)	(10,301)
Net reclassification from AOCIL into earnings - Retirement liability	5,528	5,910	15,688	17,921
Reclassification from AOCIL into earnings - Derivatives	47	1,403	873	5,166
Tax effect - Derivatives	(18)	(384)	(325)	(1,357)
Net reclassification from AOCIL into earnings - Derivatives	29	1,019	548	3,809
Foreign Currency Contracts \| Sales
Reclassification Adjustment out of Accumulated Other Comprehensive Income
Derivatives	(122)	801	(378)	3,255
Foreign Currency Contracts \| Cost Of Sales
Reclassification Adjustment out of Accumulated Other Comprehensive Income
Derivatives	428	582	1,626	1,713
Interest Rate Swaps \| Interest
Reclassification Adjustment out of Accumulated Other Comprehensive Income
Derivatives	$ (259)	$ 20	$ (375)	$ 198

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.

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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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Amount after 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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Amount of tax expense (benefit) 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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Amount, before tax, of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan.

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