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Note 12 - Income Taxes - Summary of Income Tax Contingencies (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Beginning balance | $ 28.4 | $ 26.7 | $ 19.2
Additions for tax positions of current year | 5.7 | 6.9 | 9.7
Reduction due to settlement with taxing authorities | (0.8) | (0.3) | (1.4)
Reduction due to statute expirations | (4.3) | (4.6) | (0.5)
Total change due to true up | 0.0 | (0.1) | 0.0
Total removed due to audit payment | 0.0 | (0.4) | 0.0
Foreign currency translation | (0.1) | (0.2) | (0.3)
Foreign currency translation | 0.1 | 0.2 | 0.3
Ending balance | $ 28.9 | $ 28.4 | $ 26.7

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