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Goodwill and Intangible Assets - Schedule of Future Amortization Expense (Details) $ in Millions | Dec. 31, 2019 USD ($)
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Finite-Lived Intangible Assets [Line Items] |
Definite-life intangible assets, amortization expense, 2020 | $ 34.0
Definite-life intangible assets, amortization expense, 2021 | 28.0
Definite-life intangible assets, amortization expense, 2022 | 26.2
Definite-life intangible assets, amortization expense, 2023 | 24.5
Definite-life intangible assets, amortization expense, 2024 | 21.8
Customer Relationships |
Finite-Lived Intangible Assets [Line Items] |
Definite-life intangible assets, amortization expense, 2020 | 0.9
Definite-life intangible assets, amortization expense, 2021 | 0.8
Definite-life intangible assets, amortization expense, 2022 | 0.6
Definite-life intangible assets, amortization expense, 2023 | 0.5
Definite-life intangible assets, amortization expense, 2024 | 0.4
Agent Relationships |
Finite-Lived Intangible Assets [Line Items] |
Definite-life intangible assets, amortization expense, 2020 | 5.0
Definite-life intangible assets, amortization expense, 2021 | 5.0
Definite-life intangible assets, amortization expense, 2022 | 5.0
Definite-life intangible assets, amortization expense, 2023 | 5.0
Definite-life intangible assets, amortization expense, 2024 | 5.0
Internal-Use Software |
Finite-Lived Intangible Assets [Line Items] |
Definite-life intangible assets, amortization expense, 2020 | 24.1
Definite-life intangible assets, amortization expense, 2021 | 19.1
Definite-life intangible assets, amortization expense, 2022 | 17.9
Definite-life intangible assets, amortization expense, 2023 | 16.5
Definite-life intangible assets, amortization expense, 2024 | 14.0
Life Insurance |
Finite-Lived Intangible Assets [Line Items] |
VOBA, amortization expense, 2020 | 4.0
VOBA, amortization expense, 2021 | 3.1
VOBA, amortization expense, 2022 | 2.7
VOBA, amortization expense, 2023 | 2.5
VOBA, amortization expense, 2024 | $ 2.4

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