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Income Taxes (Tables) | 3 Months Ended
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Mar. 31, 2024
Income Tax Disclosure [Abstract] |
Roll-forward of Unrecognized Tax Benefits and Associated Accrued Interest and Penalties | A roll-forward of unrecognized tax benefits and associated accrued interest and penalties is as follows:
(in millions) |  | Unrecognized Tax Benefits |  |  | Interest and Penalties |  |  | Total |
Opening balance at January 1, 2024 |  | $ | 10.5 |  |  | $ | 4.3 |  |  | $ | 14.8 |
Net change for tax positions of prior periods |  |  | (0.1 | ) |  |  | 0.3 |  |  |  | 0.2 |
Closing balance at March 31, 2024 |  |  | 10.4 |  |  |  | 4.6 |  |  |  | 15.0 |
Current |  |  | (3.2 | ) |  |  | (1.3 | ) |  |  | (4.5 | )
Non-current |  | $ | 7.2 |  |  | $ | 3.3 |  |  | $ | 10.5 |

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- Definition Tabular disclosure of the change in unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 217 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482663/740-10-55-217 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15A + Details
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