Organization and Summary of Significant Accounting Policies - Fair Value (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument
Carrying Value	$ 2,165.5	$ 1,852.0
Repayment of debt	$ 550.0
3.50% senior subordinated notes due 2025
Debt Instrument
Interest rate	3.50%	3.50%	3.50%
Carrying Value	$ 0.0	$ 549.1
Fair Value	0.0	543.0
Repayment of debt	$ 550.0	$ 0.0	$ 0.0
3.75% senior subordinated notes due 2029
Debt Instrument
Interest rate	3.75%	3.75%
Carrying Value	$ 497.3	$ 496.6
Fair Value	481.9	451.8
Mortgage facilities
Debt Instrument
Carrying Value	792.5	474.8
Fair Value	$ 777.1	$ 450.6