Pension Plans and Other Postretirement Benefits (Tables)

3 Months Ended

Dec. 28, 2019

Defined Benefit Pension Plans And Defined Benefit Postretirement Plans Disclosure [Abstract]

Components of Net Periodic Benefit Costs

The following table provides the components of net periodic benefit costs:

	Pension Benefits
	Three Months Ended
	December 28,			December 29,
	2019			2018
Interest cost	$	720		$	986
Expected return on plan assets		(320	)		(431	)
Amortization of net loss		862			866
Net periodic benefit cost	$	1,262		$	1,421

	Postretirement Benefits
	Three Months Ended
	December 28,			December 29,
	2019			2018
Interest cost	$	37		$	69
Amortization of prior service credits		(124	)		(124	)
Amortization of net (gain)		(197	)		(190	)
Net periodic benefit cost	$	(284	)	$	(245	)