Debt - Other (Details) - USD ($) $ in Millions		6 Months Ended
	Sep. 10, 2024	Jun. 30, 2025	Dec. 31, 2024
Debt
Total		$ 1,433.1	$ 1,151.1
Weighted average interest rate (as a percent)		3.48%	3.02%
Unsecured revolving credit facility maturing September 10, 2029
Debt
Maximum borrowing capacity	$ 1,500.0
Debt term	5 years
Total		$ 282.0	$ 0.0
Commitment fee on unused portion of revolving credit facility (as a percent)		0.10%
Weighted average interest rate (as a percent)		5.38%
Letters of credit outstanding		$ 1.1	1.1
Unsecured revolving credit facility maturing September 10, 2029 | SOFR
Debt
Variable interest rate		SOFR
Interest rate added to base (as a percent)		1.00%
Unsecured revolving credit facility maturing September 10, 2029 | Bank prime rate
Debt
Variable interest rate		prime rate
Senior Unsecured Notes - Publicly Traded
Debt
Percentage of principal amount at which the notes may be required to be repurchased in event of a change of control and a downgrade of the entity's credit rating		101.00%
Letter of Credit | Standby Facility
Debt
Maximum borrowing capacity		$ 50.0	50.0
Letters of credit outstanding		$ 29.3	$ 29.2