Employee Benefit Plans

6 Months Ended

Mar. 30, 2019

Pension and Other Postretirement Benefits Cost (Reversal of Cost) [Abstract]

Employee Benefit Plans

Employee Benefit Plans

Net periodic benefit costs for our defined benefit pension plans are as follows:

	Three Months Ended						Six Months Ended
	March 30, 2019			March 31, 2018			March 30, 2019			March 31, 2018
U.S. Plans
Service cost	$	5,251		$	5,633		$	10,502		$	11,267
Interest cost	9,231			8,073			18,462			16,146
Expected return on plan assets	(11,771		)	(13,575		)	(23,542		)	(27,151		)
Amortization of prior service cost (credit)	47			47			93			94
Amortization of actuarial loss	5,466			6,902			10,932			13,804
Pension expense for U.S. defined benefit plans	$	8,224		$	7,080		$	16,447		$	14,160
Non-U.S. Plans
Service cost	$	1,248		$	1,519		$	2,494		$	2,989
Interest cost	1,101			1,092			2,202			2,147
Expected return on plan assets	(1,303		)	(1,290		)	(2,601		)	(2,533		)
Amortization of prior service cost (credit)	(4		)	(15		)	(9		)	(29		)
Amortization of actuarial loss	638			648			1,278			1,272
Pension expense for non-U.S. defined benefit plans	$	1,680		$	1,954		$	3,364		$	3,846

Pension expense for our defined contribution plans consists of:

	Three Months Ended				Six Months Ended
	March 30, 2019		March 31, 2018		March 30, 2019		March 31, 2018
U.S. defined contribution plans	$	4,713	$	4,136	$	9,327	$	8,108
Non-U.S. defined contribution plans	1,340		1,353		2,536		2,570
Total pension expense for defined contribution plans	$	6,053	$	5,489	$	11,863	$	10,678