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Segment Information - Reconciliation of Adjusted EBIT to Income before Income Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Segment Reporting Information [Line Items] |  |
Total adjusted EBIT | $ 149,404 | $ 146,219
Less: |  |
Other pension expense (income) for U.S. pension plans | 1,286 | (11,329)
Rationalization charges | 4,121 | 1,379
Income before interest and income taxes | 131,228 | 143,392
Less interest and other debt expense | 36,766 | 30,830
Income before income taxes | 94,462 | 112,562
Segment Reconciling Items |  |
Less: |  |
Acquired intangible asset amortization expense | 13,221 | 13,430
Other pension expense (income) for U.S. pension plans | 834 | (11,982)
Rationalization charges | $ 4,121 | $ 1,379

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