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Business Segments - Reconciliation of Segment Operating Earnings to Operating Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Dec. 31, 2023 | Jun. 30, 2026 | Jun. 30, 2025
Segment Reporting [Abstract] |  |  |  |  |
Segment operating earnings | $ 126,540 | $ 112,686 |  | $ 240,324 | $ 220,471
Restructuring and related charges, net | (8,116) | (8,793) |  | (15,497) | (23,383)
Impairment charges | 0 | (88,840) | $ (93,000) | 0 | (88,840)
Non-operating and administrative expenses | (60,203) | (50,860) |  | (115,290) | (101,577)
Depreciation of corporate assets and amortization | (17,618) | (16,703) |  | (35,345) | (31,557)
Operating income (loss) | 40,603 | (52,510) |  | 74,192 | (24,886)
Other income (expense), net | 406 | (653) |  | 383 | (1,362)
Interest expense, net | (9,873) | (12,779) |  | (19,752) | (22,324)
Income (loss) before taxes and equity in net income of associated companies | $ 31,136 | $ (65,942) |  | $ 54,823 | $ (48,572)

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