Income Taxes - Schedule of Components of Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current tax expense:
Federal	$ 294.1	$ 219.1	$ 281.4
State	81.2	38.3	56.8
Current tax expense	375.3	257.4	338.2
Deferred tax expense (benefit):
Federal	(83.7)	2.1	(32.8)
State	(18.0)	3.4	(8.9)
Deferred tax expense (benefit)	(101.7)	5.5	(41.7)
Income tax expense	$ 273.6	$ 262.9	$ 296.5