Employee Retirement Plans (Tables)

6 Months Ended

Jul. 01, 2023

Employee Retirement Plans [Abstract]

Schedule of Costs of Retirement Plans [Table Text Block]

The following table summarizes the company's net periodic pension benefit related to the AGA Group pension plans (in thousands):

	Three Months Ended				Six Months Ended
	Jul 1, 2023		Jul 2, 2022		Jul 1, 2023		Jul 2, 2022
Net Periodic Pension Benefit:
Interest cost	11,476		6,281		$	22,614	$	12,986
Expected return on assets	(14,652)		(18,694)		(28,871)		(38,650)
Amortization of net loss	7		904		14		1,869
Amortization of prior service cost	651		653		1,282		1,349
	$	(2,518)	$	(10,856)	$	(4,961)	$	(22,446)