Accumulated Other Comprehensive Income (Loss) (Reclassification from AOCI) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Apr. 01, 2017	Mar. 31, 2018	Apr. 01, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income
Prior service cost (credit)	$ (86)	$ 20	$ (171)	$ 39
Actuarial losses	7,423	9,406	14,819	18,823
Reclassification from AOCIL into earnings	7,337	9,426	14,648	18,862
Tax effect	(1,796)	(3,424)	(4,488)	(6,851)
Net reclassification from AOCIL into earnings	5,541	6,002	10,160	12,011
Reclassification from AOCIL into earnings	262	1,884	826	3,763
Tax effect	(72)	(500)	(307)	(973)
Net reclassification from AOCIL into earnings	190	1,384	519	2,790
Foreign Currency Contracts | Sales
Reclassification Adjustment out of Accumulated Other Comprehensive Income
Derivatives	(138)	1,157	(256)	2,454
Foreign Currency Contracts | Cost Of Sales
Reclassification Adjustment out of Accumulated Other Comprehensive Income
Derivatives	502	664	1,198	1,131
Interest Rate Swaps | Interest
Reclassification Adjustment out of Accumulated Other Comprehensive Income
Derivatives	$ (102)	$ 63	$ (116)	$ 178