CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Oct. 01, 2021	Sep. 30, 2022	Oct. 01, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 118,761	$ 68,930	$ 311,713	$ 170,473
Defined benefit plans reclassification including pension costs:
Actuarial gain	746	916	2,237	2,745
Prior service credits	0	1	0	2
Postretirement benefits reclassification including benefit costs:
Actuarial gain	69	140	207	419
Interest rate swap	0	0	0	556
Foreign currency translation adjustment	0	(6)	0	(15)
Other comprehensive income, net of tax	815	1,051	2,444	3,707
Comprehensive income	$ 119,576	$ 69,981	$ 314,157	$ 174,180