CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jul. 01, 2022	Jun. 30, 2023	Jul. 01, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 122,319	$ 99,562	$ 240,446	$ 192,952
Defined benefit plans reclassification including pension costs:
Actuarial (loss) gain	(2,221)	745	(1,486)	1,491
Prior service credits	3	0	6	0
Pension plan settlement	30,041	0	30,041	0
Postretirement benefits reclassification including benefit costs:
Actuarial gain	0	69	0	138
Other comprehensive income, net of tax	27,823	814	28,561	1,629
Comprehensive income	$ 150,142	$ 100,376	$ 269,007	$ 194,581