Employee Benefit Plans (Net Periodic Benefit Costs) (Details) - Defined Benefit Pension Plans - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 28, 2020	Mar. 30, 2019	Mar. 28, 2020	Mar. 30, 2019
U.S. Plans
Defined Benefit Plan Disclosure
Service cost	$ 5,758	$ 5,251	$ 11,517	$ 10,502
Interest cost	7,649	9,231	15,298	18,462
Expected return on plan assets	(11,021)	(11,264)	(22,042)	(22,528)
Amortization of prior service cost (credit)	34	47	67	93
Amortization of actuarial loss	6,329	6,661	12,658	13,321
Pension expense for defined benefit plans	8,749	9,926	17,498	19,850
Non-U.S. Plans
Defined Benefit Plan Disclosure
Service cost	1,666	1,248	3,337	2,494
Interest cost	695	1,101	1,392	2,202
Expected return on plan assets	(1,135)	(1,303)	(2,274)	(2,601)
Amortization of prior service cost (credit)	0	(4)	0	(9)
Amortization of actuarial loss	1,212	638	2,428	1,278
Pension expense for defined benefit plans	$ 2,438	$ 1,680	$ 4,883	$ 3,364