Organization and Summary of Significant Accounting Policies - Fair Value (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument
Carrying Value	$ 1,629.2	$ 1,622.1
3.50% senior subordinated notes due 2025
Debt Instrument
Interest rate	3.50%
Carrying Value	$ 547.7	546.2
Fair Value	$ 529.7	$ 508.7
3.75% senior subordinated notes due 2029
Debt Instrument
Interest rate	3.75%	3.75%	3.75%
Carrying Value	$ 495.8	$ 495.1
Fair Value	444.4	404.2
Mortgage facilities
Debt Instrument
Carrying Value	402.1	494.3
Fair Value	$ 378.5	$ 462.1