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INCOME TAXES - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income Taxes |  |  |
U.S. federal statutory tax rate | 21.00% | 21.00% | 21.00%
Taxes computed at U.S. statutory rate | $ 60.4 | $ 27.1 | $ 57.1
State income taxes, net of federal benefit | 3.5 | 1.8 | 4.6
Section 250 deduction | (10.5) | (10.8) | 0.0
Foreign tax credits | (13.2) | (8.2) | 0.0
Change in valuation allowances | (67.3) | (0.1) | 6.4
Tax on undistributed foreign earnings | 0.8 | 5.1 | 5.9
Changes in uncertain tax positions | 6.5 | 1.9 | 0.2
Non-deductible goodwill impairment and Kuprion Acquisition research and development charge | 0.9 | 20.6 | 0.0
Impact of amended U.S. tax returns | 12.1 | (37.3) | 0.0
Outside basis difference - Graphics business | (22.5) | 0.0 | 0.0
Gain on Graphics restructuring | 43.6 | 0.0 | 0.0
Rate changes | 6.3 | 0.0 | 0.0
Other, net | (0.8) | (1.9) | (4.6)
Income tax expense | $ 44.8 | $ 13.0 | $ 85.8
Effective tax rate | 16.00% | 10.00% | 32.00%
Domestic |  |  |
Income Taxes |  |  |
Tax on foreign operations | $ 4.2 | $ 1.8 | $ 3.2
Foreign |  |  |
Income Taxes |  |  |
Tax on foreign operations | $ 20.8 | $ 13.0 | $ 13.0

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