Pensions and Other Postretirement Benefits - (Schedule of Net Pension and Other Retirement Plan Costs) (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2023	Apr. 02, 2022
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Net service cost	$ 69	$ 84
Interest cost	190	123
Expected return on plan assets	(212)	(123)
Amortization of actuarial losses	8	74
Net periodic benefit cost	55	158
OPEB Plans
Defined Benefit Plan Disclosure [Line Items]
Net service cost	4	7
Interest cost	28	17
Expected return on plan assets		0
Amortization of actuarial losses	(6)	1
Net periodic benefit cost	$ 26	$ 25