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Segment Information - Reconciliation of Adjusted EBIT to Income before Income Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Segment Reporting [Abstract] |  |  |  |
Total adjusted EBIT | $ 221,408 | $ 205,588 | $ 572,649 | $ 506,432
Less: |  |  |  |
Acquired intangible asset amortization expense | 15,948 | 12,367 | 47,307 | 38,004
Other pension (income) for U.S. pension plans | (1,162) | (660) | (3,012) | (3,082)
Equity in earnings of affiliates, net of tax | 775 | 0 | 2,492 | 0
Rationalization charges | 7,189 | 19,483 | 28,012 | 38,033
Costs attributed to announced acquisitions | 0 | 7,111 | 1,117 | 12,618
Income before interest and income taxes | 198,658 | 167,287 | 496,733 | 420,859
Interest and other debt expense | 49,989 | 41,871 | 141,616 | 121,861
Income before income taxes | $ 148,669 | $ 125,416 | $ 355,117 | $ 298,998

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