Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
AOCI Attributable to Parent, Net of Tax
Balance, beginning of period	$ 2,903,519
Other comprehensive income, before reclassifications	94,433	$ (177,690)	$ 139,595
Income tax expense	(19,619)	30,026	(41,061)
Total other comprehensive income before reclassifications, net of tax	74,814	(147,664)	98,534
Reclassifications	(49,461)	59,648	186,188
Income tax expense	11,614	(12,994)	(42,224)
Total reclassification from other comprehensive income, net of tax	(37,847)	46,654	143,964
Other comprehensive income	36,967	(101,010)	242,498
Balance, end of period	3,252,808	2,903,519
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax
Balance, beginning of period	(341,929)	(240,919)	(483,417)
Balance, end of period	(304,962)	(341,929)	(240,919)
Foreign currency translation adjustments
AOCI Attributable to Parent, Net of Tax
Balance, beginning of period	(80,271)	(44,401)	(7,589)
Other comprehensive income, before reclassifications	11,845	(32,769)	(38,988)
Income tax expense	(313)	(3,101)	2,176
Total other comprehensive income before reclassifications, net of tax	11,532	(35,870)	(36,812)
Reclassifications	0	0	0
Income tax expense	0	0	0
Total reclassification from other comprehensive income, net of tax	0	0	0
Other comprehensive income	11,532	(35,870)	(36,812)
Balance, end of period	(68,739)	(80,271)	(44,401)
Derivative financial instruments
AOCI Attributable to Parent, Net of Tax
Balance, beginning of period	(10,440)	(2,005)	(46,116)
Other comprehensive income, before reclassifications	48,583	(44,767)	(73,207)
Income tax expense	(11,322)	9,611	15,883
Total other comprehensive income before reclassifications, net of tax	37,261	(35,156)	(57,324)
Reclassifications	(43,678)	33,598	130,609
Income tax expense	10,256	(6,877)	(29,174)
Total reclassification from other comprehensive income, net of tax	(33,422)	26,721	101,435
Other comprehensive income	3,839	(8,435)	44,111
Balance, end of period	(6,601)	(10,440)	(2,005)
Pension and postretirement benefit plans
AOCI Attributable to Parent, Net of Tax
Balance, beginning of period	(251,218)	(194,513)	(429,712)
Other comprehensive income, before reclassifications	34,005	(100,154)	251,790
Income tax expense	(7,984)	23,516	(59,120)
Total other comprehensive income before reclassifications, net of tax	26,021	(76,638)	192,670
Reclassifications	(5,783)	26,050	55,579
Income tax expense	1,358	(6,117)	(13,050)
Total reclassification from other comprehensive income, net of tax	(4,425)	19,933	42,529
Other comprehensive income	21,596	(56,705)	235,199
Balance, end of period	(229,622)	(251,218)	(194,513)
Pension and postretirement benefit plans; Prior service credits
AOCI Attributable to Parent, Net of Tax
Reclassifications	86	(3,635)	(3,570)
Pension and postretirement benefit plans; Actuarial losses
AOCI Attributable to Parent, Net of Tax
Reclassifications	(5,110)	32,400	68,989
Pension and postretirement benefit plans; settlement gains
AOCI Attributable to Parent, Net of Tax
Reclassifications	$ (759)	$ (2,715)
Pension and postretirement benefit plans; curtailment and settlement gains
AOCI Attributable to Parent, Net of Tax
Reclassifications			$ (9,840)