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Goodwill and Intangible Assets - Summary of Finite-Lived Intangible Assets (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2021 USD ($)
Finite-Lived Intangible Assets [Line Items] |
At inception | $ 174.5
Accumulated amortization | (30.1)
Total | $ 144.4
Weighted Average useful Life (in Years) | 23 years
Value of business acquired |
Finite-Lived Intangible Assets [Line Items] |
At inception | $ 94.4
Accumulated amortization | $ (12.6)
Weighted Average useful Life (in Years) | 30 years
Value of distribution acquired |
Finite-Lived Intangible Assets [Line Items] |
At inception | $ 54.0
Accumulated amortization | $ (9.4)
Weighted Average useful Life (in Years) | 17 years
Value of agency relationships |
Finite-Lived Intangible Assets [Line Items] |
At inception | $ 17.0
Accumulated amortization | $ (4.6)
Weighted Average useful Life (in Years) | 14 years
Value of customer relationships |
Finite-Lived Intangible Assets [Line Items] |
At inception | $ 9.1
Accumulated amortization | $ (3.5)
Weighted Average useful Life (in Years) | 10 years

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before 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 -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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