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Goodwill and Intangible Assets - Summary of Finite-Lived Intangible Assets (Details) $ in Millions | Dec. 31, 2023 USD ($)
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Finite-Lived Intangible Assets [Line Items] |
Useful life (in years) | 20 years
At inception: | $ 231.0
Accumulated amortization and impairments: | (74.1)
Total | $ 156.9
Value of business acquired |
Finite-Lived Intangible Assets [Line Items] |
Useful life (in years) | 28 years
At inception: | $ 100.1
Accumulated amortization and impairments: | (35.3)
Total | $ 64.8
Value of distribution acquired |
Finite-Lived Intangible Assets [Line Items] |
Useful life (in years) | 17 years
At inception: | $ 54.0
Accumulated amortization and impairments: | $ (17.5)
Value of agency relationships |
Finite-Lived Intangible Assets [Line Items] |
Useful life (in years) | 14 years
At inception: | $ 17.0
Accumulated amortization and impairments: | $ (9.8)
Value of customer relationships |
Finite-Lived Intangible Assets [Line Items] |
Useful life (in years) | 10 years
At inception: | $ 59.9
Accumulated amortization and impairments: | $ (11.5)

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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