Employee Benefit Plans

3 Months Ended

Dec. 30, 2017

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
	December 30, 2017			December 31, 2016
U.S. Plans
Service cost	$	5,634		$	6,022
Interest cost	8,073			7,636
Expected return on plan assets	(13,576		)	(13,628		)
Amortization of prior service cost (credit)	47			47
Amortization of actuarial loss	6,902			8,419
Pension expense for U.S. defined benefit plans	$	7,080		$	8,496
Non-U.S. Plans
Service cost	$	1,470		$	1,532
Interest cost	1,055			751
Expected return on plan assets	(1,243		)	(1,131		)
Amortization of prior service cost (credit)	(14		)	(27		)
Amortization of actuarial loss	624			1,120
Pension expense for non-U.S. defined benefit plans	$	1,892		$	2,245

Pension expense for our defined contribution plans consists of:

	Three Months Ended
	December 30, 2017		December 31, 2016
U.S. defined contribution plans	$	3,972	$	3,670
Non-U.S. defined contribution plans	1,709		1,360
Total pension expense for defined contribution plans	$	5,681	$	5,030

In 2018, expected contributions for our U.S. defined benefit pension plans is approximately $149,000.