CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2023	Sep. 30, 2022	Sep. 29, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 92,093	$ 118,761	$ 332,539	$ 311,713
Defined benefit plans reclassification including pension costs:
Actuarial gain (loss)	1,183	746	(303)	2,237
Prior service credits	3	0	9	0
Pension plan settlement	56,028	0	86,069	0
Postretirement benefits reclassification including benefit costs:
Actuarial gain	0	69	0	207
Other comprehensive income, net of tax	57,214	815	85,775	2,444
Comprehensive income	$ 149,307	$ 119,576	$ 418,314	$ 314,157