Pension Plans and Other Postretirement Benefits (Tables)

3 Months Ended

Dec. 25, 2021

Compensation And Retirement 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 25,			December 26,
	2021			2020
Interest cost	$	559		$	534
Expected return on plan assets		(354	)		(319	)
Amortization of net loss		599			898
Net periodic benefit cost	$	804		$	1,113

	Postretirement Benefits
	Three Months Ended
	December 25,			December 26,
	2021			2020
Interest cost	$	20		$	19
Amortization of prior service credits		(124	)		(124	)
Amortization of net (gain)		(181	)		(181	)
Net periodic benefit cost	$	(285	)	$	(286	)