Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Thousands |
3 Months Ended |
9 Months Ended |
Sep. 30, 2026 |
Jun. 30, 2026 |
Mar. 31, 2026 |
Sep. 30, 2025 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
| AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |
|
|
|
|
|
|
|
|
| Balance, beginning of period |
$ 3,116,019
|
$ 3,080,135
|
$ 3,156,850
|
$ 3,307,933
|
$ 3,173,690
|
$ 3,158,500
|
$ 3,156,850
|
$ 3,158,500
|
| Other comprehensive (loss) income |
(4,354)
|
(2,498)
|
(14,967)
|
(7,863)
|
39,761
|
(5,477)
|
(21,819)
|
26,421
|
| Balance, end of period |
3,048,762
|
3,116,019
|
3,080,135
|
3,561,379
|
3,307,933
|
3,173,690
|
3,048,762
|
3,561,379
|
| Total Accumulated Other Comprehensive Loss |
|
|
|
|
|
|
|
|
| AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |
|
|
|
|
|
|
|
|
| Balance, beginning of period |
(271,542)
|
|
(254,077)
|
(298,422)
|
|
(332,706)
|
(254,077)
|
(332,706)
|
| Other comprehensive (loss) income, before reclassifications |
(10,442)
|
|
|
(12,998)
|
|
|
(46,028)
|
178,933
|
| Income tax (expense) benefit |
2,541
|
|
|
2,511
|
|
|
1,281
|
(32,099)
|
| Other comprehensive income (loss), before reclassifications, net of tax |
(7,901)
|
|
|
(10,487)
|
|
|
(44,747)
|
146,834
|
| Reclassifications: |
4,696
|
|
|
3,421
|
|
|
29,872
|
(158,086)
|
| Income tax (expense) benefit |
(1,149)
|
|
|
(797)
|
|
|
(6,944)
|
37,673
|
| Reclassification from accumulated other comprehensive income, current period, net of tax |
3,547
|
|
|
2,624
|
|
|
22,928
|
(120,413)
|
| Other comprehensive (loss) income |
(4,354)
|
|
|
(7,863)
|
|
|
(21,819)
|
26,421
|
| Balance, end of period |
(275,896)
|
(271,542)
|
|
(306,285)
|
(298,422)
|
|
(275,896)
|
(306,285)
|
| Accumulated Other Comprehensive Loss |
|
|
|
|
|
|
|
|
| AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |
|
|
|
|
|
|
|
|
| Balance, beginning of period |
(274,188)
|
(272,104)
|
(257,137)
|
(298,422)
|
(338,183)
|
(332,706)
|
(257,137)
|
(332,706)
|
| Other comprehensive (loss) income, before reclassifications |
(10,442)
|
|
|
(12,998)
|
|
|
(45,614)
|
178,933
|
| Income tax (expense) benefit |
2,541
|
|
|
2,511
|
|
|
1,281
|
(32,099)
|
| Other comprehensive income (loss), before reclassifications, net of tax |
(7,901)
|
|
|
(10,487)
|
|
|
(44,333)
|
146,834
|
| Reclassifications: |
4,696
|
|
|
3,421
|
|
|
29,872
|
(158,086)
|
| Income tax (expense) benefit |
(1,149)
|
|
|
(797)
|
|
|
(6,944)
|
37,673
|
| Reclassification from accumulated other comprehensive income, current period, net of tax |
3,547
|
|
|
2,624
|
|
|
22,928
|
(120,413)
|
| Other comprehensive (loss) income |
(4,354)
|
(2,084)
|
(14,967)
|
(7,863)
|
39,761
|
(5,477)
|
(21,405)
|
26,421
|
| Balance, end of period |
(278,542)
|
(274,188)
|
(272,104)
|
(306,285)
|
(298,422)
|
(338,183)
|
(278,542)
|
(306,285)
|
| Foreign currency translation adjustments |
|
|
|
|
|
|
|
|
| AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |
|
|
|
|
|
|
|
|
| Balance, beginning of period |
(64,984)
|
|
(25,994)
|
(37,441)
|
|
(91,102)
|
(25,994)
|
(91,102)
|
| Other comprehensive (loss) income, before reclassifications |
(2,512)
|
|
|
(1,137)
|
|
|
(41,502)
|
54,531
|
| Income tax (expense) benefit |
599
|
|
|
(505)
|
|
|
599
|
(2,512)
|
| Other comprehensive income (loss), before reclassifications, net of tax |
(1,913)
|
|
|
(1,642)
|
|
|
(40,903)
|
52,019
|
| Reclassifications: |
0
|
|
|
0
|
|
|
0
|
0
|
| Income tax (expense) benefit |
0
|
|
|
0
|
|
|
0
|
0
|
| Reclassification from accumulated other comprehensive income, current period, net of tax |
0
|
|
|
0
|
|
|
0
|
0
|
| Other comprehensive (loss) income |
(1,913)
|
|
|
(1,642)
|
|
|
(40,903)
|
52,019
|
| Balance, end of period |
(66,897)
|
(64,984)
|
|
(39,083)
|
(37,441)
|
|
(66,897)
|
(39,083)
|
| Derivative financial instruments |
|
|
|
|
|
|
|
|
| AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |
|
|
|
|
|
|
|
|
| Balance, beginning of period |
7,240
|
|
(15,417)
|
(10,282)
|
|
7,542
|
(15,417)
|
7,542
|
| Other comprehensive (loss) income, before reclassifications |
(7,899)
|
|
|
(12,579)
|
|
|
(3,383)
|
123,684
|
| Income tax (expense) benefit |
1,934
|
|
|
3,016
|
|
|
504
|
(29,587)
|
| Other comprehensive income (loss), before reclassifications, net of tax |
(5,965)
|
|
|
(9,563)
|
|
|
(2,879)
|
94,097
|
| Reclassifications: |
4,803
|
|
|
4,435
|
|
|
30,226
|
(155,044)
|
| Income tax (expense) benefit |
(1,174)
|
|
|
(1,035)
|
|
|
(7,026)
|
36,960
|
| Reclassification from accumulated other comprehensive income, current period, net of tax |
3,629
|
|
|
3,400
|
|
|
23,200
|
(118,084)
|
| Other comprehensive (loss) income |
(2,336)
|
|
|
(6,163)
|
|
|
20,321
|
(23,987)
|
| Balance, end of period |
4,904
|
7,240
|
|
(16,445)
|
(10,282)
|
|
4,904
|
(16,445)
|
| Available for sale securities |
|
|
|
|
|
|
|
|
| AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |
|
|
|
|
|
|
|
|
| Balance, beginning of period |
(377)
|
|
176
|
0
|
|
0
|
176
|
0
|
| Other comprehensive (loss) income, before reclassifications |
(31)
|
|
|
718
|
|
|
(729)
|
718
|
| Income tax (expense) benefit |
8
|
|
|
0
|
|
|
178
|
0
|
| Other comprehensive income (loss), before reclassifications, net of tax |
(23)
|
|
|
718
|
|
|
(551)
|
718
|
| Reclassifications: |
0
|
|
|
|
|
|
(33)
|
|
| Income tax (expense) benefit |
0
|
|
|
|
|
|
8
|
|
| Reclassification from accumulated other comprehensive income, current period, net of tax |
0
|
|
|
|
|
|
(25)
|
|
| Other comprehensive (loss) income |
(23)
|
|
|
718
|
|
|
(576)
|
718
|
| Balance, end of period |
(400)
|
(377)
|
|
718
|
0
|
|
(400)
|
718
|
| Pension and postretirement benefit plans |
|
|
|
|
|
|
|
|
| AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |
|
|
|
|
|
|
|
|
| Balance, beginning of period |
(216,067)
|
|
(215,902)
|
(250,699)
|
|
(249,146)
|
(215,902)
|
(249,146)
|
| Other comprehensive (loss) income, before reclassifications |
0
|
|
|
0
|
|
|
0
|
0
|
| Income tax (expense) benefit |
0
|
|
|
0
|
|
|
0
|
0
|
| Other comprehensive income (loss), before reclassifications, net of tax |
0
|
|
|
0
|
|
|
0
|
0
|
| Reclassifications: |
(107)
|
|
|
(1,014)
|
|
|
(321)
|
(3,042)
|
| Income tax (expense) benefit |
25
|
|
|
238
|
|
|
74
|
713
|
| Reclassification from accumulated other comprehensive income, current period, net of tax |
(82)
|
|
|
(776)
|
|
|
(247)
|
(2,329)
|
| Other comprehensive (loss) income |
(82)
|
|
|
(776)
|
|
|
(247)
|
(2,329)
|
| Balance, end of period |
(216,149)
|
(216,067)
|
|
(251,475)
|
(250,699)
|
|
(216,149)
|
(251,475)
|
| Pension and Postretirement Benefit Plans - Prior Service Credits |
|
|
|
|
|
|
|
|
| AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |
|
|
|
|
|
|
|
|
| Reclassifications: |
401
|
|
|
529
|
|
|
1,203
|
1,587
|
| Pension and Postretirement Benefit Plans - Actuarial Losses (Gains) |
|
|
|
|
|
|
|
|
| AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |
|
|
|
|
|
|
|
|
| Reclassifications: |
(508)
|
|
|
(1,543)
|
|
|
(1,524)
|
(4,629)
|
| Accumulated Other Comprehensive Loss Attributable to Noncontrolling Interests |
|
|
|
|
|
|
|
|
| AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |
|
|
|
|
|
|
|
|
| Balance, beginning of period |
2,646
|
|
$ 3,060
|
0
|
|
$ 0
|
3,060
|
0
|
| Other comprehensive (loss) income, before reclassifications |
0
|
|
|
0
|
|
|
(414)
|
0
|
| Other comprehensive income (loss), before reclassifications, net of tax |
0
|
|
|
0
|
|
|
(414)
|
0
|
| Other comprehensive (loss) income |
0
|
|
|
0
|
|
|
(414)
|
0
|
| Balance, end of period |
$ 2,646
|
$ 2,646
|
|
$ 0
|
$ 0
|
|
$ 2,646
|
$ 0
|