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Debt - Senior Notes and Junior Subordinated Notes (Details) - USD ($) $ in Millions		6 Months Ended
	Aug. 01, 2025	Jun. 30, 2025	Jun. 30, 2024
Debt Instrument [Line Items]
Repayments of long-term debt		$ 0.0	$ 450.0
Junior subordinated notes | On or after March 30, 2029
Debt Instrument [Line Items]
Redemption price percentage		100.00%
Junior subordinated notes | If changes in tax laws and interpretations occur
Debt Instrument [Line Items]
Redemption price percentage		100.00%
Junior subordinated notes | If a rating agency makes certain changes relating to the equity credit criteria for securities
Debt Instrument [Line Items]
Redemption price percentage		102.00%
2025 Senior Notes | Senior notes
Debt Instrument [Line Items]
Redemption price percentage		100.00%
Applicable basis spread over redemption price percentage		0.25%
Debt interest rate		3.50%
2025 Senior Notes | Senior notes | Subsequent Event
Debt Instrument [Line Items]
Repayments of long-term debt	$ 350.0
2030 Senior Notes | Senior notes
Debt Instrument [Line Items]
Redemption price percentage		100.00%
Applicable basis spread over redemption price percentage		0.40%
Debt interest rate		3.30%
2034 Senior Notes | Senior notes
Debt Instrument [Line Items]
Redemption price percentage		100.00%
Debt interest rate		5.50%

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