Pension Plans and Other Postretirement Benefits (Tables)

6 Months Ended

Mar. 26, 2022

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						Six Months Ended
	March 26,			March 27,			March 26,			March 27,
	2022			2021			2022			2021
Interest cost	$	560		$	534		$	1,119		$	1,068
Expected return on plan assets		(354	)		(319	)		(708	)		(638	)
Amortization of net loss		600			898			1,199			1,796
Pension settlement charge		—			570			—			570
Net periodic benefit cost	$	806		$	1,683		$	1,610		$	2,796

	Postretirement Benefits
	Three Months Ended						Six Months Ended
	March 26,			March 27,			March 26,			March 27,
	2022			2021			2022			2021
Interest cost	$	20		$	19		$	40		$	38
Amortization of prior service credits		(125	)		(125	)		(249	)		(249	)
Amortization of net (gain)		(181	)		(180	)		(362	)		(361	)
Net periodic benefit cost	$	(286	)	$	(286	)	$	(571	)	$	(572	)