Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 27, 2022	Mar. 28, 2021
AOCI Attributable to Parent, Net of Tax
Balance, beginning of period	$ 2,553,244	$ 1,722,785
Other comprehensive loss, before reclassifications	(11,034)	(67,811)
Income tax benefit (expense)	1,176	10,828
Net other comprehensive income (loss) before reclassifications	(9,858)	(56,983)
Total reclassifications before tax	27,237	91,343
Income tax expense	(6,070)	(20,580)
Net reclassifications	21,167	70,763
Total other comprehensive loss, net of tax	11,309	13,780
Balance, end of period	2,509,101	1,976,386
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax
Balance, beginning of period	(240,919)	(483,417)
Total other comprehensive loss, net of tax	11,309	13,780
Balance, end of period	(229,610)	(469,637)
Foreign currency translation adjustments
AOCI Attributable to Parent, Net of Tax
Balance, beginning of period	(44,401)	(7,589)
Other comprehensive loss, before reclassifications	(3,804)	(17,074)
Income tax benefit (expense)	(317)	(264)
Net other comprehensive income (loss) before reclassifications	(4,121)	(17,338)
Total other comprehensive loss, net of tax	(4,121)	(17,338)
Balance, end of period	(48,522)	(24,927)
Derivative financial instruments
AOCI Attributable to Parent, Net of Tax
Balance, beginning of period	(2,005)	(46,116)
Other comprehensive loss, before reclassifications	(7,230)	(50,737)
Income tax benefit (expense)	1,493	11,092
Net other comprehensive income (loss) before reclassifications	(5,737)	(39,645)
Total reclassifications before tax	20,046	73,586
Income tax expense	(4,381)	(16,411)
Net reclassifications	15,665	57,175
Total other comprehensive loss, net of tax	9,928	17,530
Balance, end of period	7,923	(28,586)
Pension and postretirement benefit plans
AOCI Attributable to Parent, Net of Tax
Balance, beginning of period	(194,513)	(429,712)
Total reclassifications before tax	7,191	17,757
Income tax expense	(1,689)	(4,169)
Net reclassifications	5,502	13,588
Total other comprehensive loss, net of tax	5,502	13,588
Balance, end of period	(189,011)	(416,124)
Pension and postretirement benefit plans - Prior service credits
AOCI Attributable to Parent, Net of Tax
Total reclassifications before tax	(909)	(893)
Pension and postretirement benefit plans - Actuarial losses
AOCI Attributable to Parent, Net of Tax
Total reclassifications before tax	$ 8,100	$ 18,650