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Income Taxes - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2023 | Dec. 31, 2021
Income tax expense | $ 13.7 | $ (21.9) | $ 33.9 | $ 11.3 |  |
Effective income tax rate (as a percent) | 32.30% |  | 55.40% | 3.50% |  |
Income tax expense (benefit) related to taxes on income in prior periods |  |  | $ 18.1 |  |  |
Income tax expense (benefit), tax credit, discrete items | $ 1.5 |  | 16.9 |  |  |
Discrete tax benefit related to tax plan |  | $ 69.9 |  | $ 69.9 |  |
Unrecognized tax benefits | 83.4 |  | 83.4 |  |  | $ 41.5
Unrecognized tax benefits, related to foreign anti-hybrid legislation |  |  | 19.2 |  |  |
Unrecognized tax benefits, federal reserve for temporary deferred position |  |  | 22.3 |  |  |
Net unrecognized tax benefits, excluding interest and penalties that would affect the company's net income if recognized | 45.3 |  | 45.3 |  |  |
Interest and penalties |  |  | 0.7 | $ 0.9 |  |
Accruals for payment of interest and penalties | $ 4.2 |  | $ 4.2 |  |  |
Scenario Forecast |  |  |  |  |  |
Significant change in unrecognized tax benefits is reasonably possible, amount of unrecorded benefit |  |  |  |  | $ 5.3 |

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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