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Debt - Senior Notes (Details) - USD ($) $ in Millions	Sep. 30, 2023	Sep. 30, 2023	Sep. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 1,873.8
Senior Notes | Senior Notes, Due 2028
Debt Instrument [Line Items]
Debt face amount	500.0
Average interest rate		4.55%	4.55%
Long-term Debt, Gross	500.0			$ 500.0
Senior Notes | Senior Notes, Due 2031
Debt Instrument [Line Items]
Average interest rate		2.75%
Long-term Debt, Gross	300.0			300.0
Senior Notes | Senior Notes Due 2033
Debt Instrument [Line Items]
Average interest rate		5.65%
Long-term Debt, Gross	$ 500.0			$ 0.0

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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