Employee Retirement Plans (Tables)

9 Months Ended

Oct. 01, 2022

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				Nine Months Ended
	Oct 1, 2022		Oct 2, 2021		Oct 1, 2022		Oct 2, 2021
Net Periodic Pension Benefit:
Service cost	$	—	$	194	$	—	$	584
Interest cost	5,881		4,287		18,867		12,927
Expected return on assets	(17,505)		(19,516)		(56,155)		(58,851)
Amortization of net loss (gain)	847		3,150		2,716		9,498
Amortization of prior service cost (credit)	611		716		1,960		2,158
	$	(10,166)	$	(11,169)	$	(32,612)	$	(33,684)