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v3.23.3

Income Taxes (Tables) | 9 Months Ended
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Sep. 30, 2023
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, 2023 |  | $ | 10.2 |  |  | $ | 3.2 |  |  | $ | 13.4 |
Net change for tax positions of prior periods |  |  | — |  |  |  | 0.7 |  |  |  | 0.7 |
Closing balance at September 30, 2023 |  |  | 10.2 |  |  |  | 3.9 |  |  |  | 14.1 |
Current |  |  | — |  |  |  | — |  |  |  | — |
Non-current |  | $ | 10.2 |  |  | $ | 3.9 |  |  | $ | 14.1 |

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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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