Condensed Consolidated Statements of Comprehensive Income - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Net revenue:
Net revenue	$ 559.5	$ 364.1
Operating expense:
Selling, general and administrative expense	52.3	35.9
Asset impairments	0.0	4.9
Transaction expense, net	(0.2)	5.0
Total operating expense	439.6	316.7
Operating income	119.9	47.4
Other income (expense):
Interest expense, net	(64.7)	(21.3)
Equity in income of unconsolidated affiliates	38.3	32.5
Gain on sale of Arlington	114.0	0.0
Miscellaneous, net	1.4	0.0
Total other income	89.0	11.2
Income from operations before provision for income taxes	208.9	58.6
Income tax provision	(53.2)	(16.5)
Net income	$ 155.7	$ 42.1
Net income per common share data:
Basic net income (in dollars per share)	$ 4.14	$ 1.10
Diluted net income (in dollars per share)	$ 4.09	$ 1.08
Weighted average shares outstanding:
Basic (in shares)	37,600	38,300
Diluted (in shares)	38,100	38,800
Live and Historical
Net revenue:
Net revenue	$ 214.4	$ 86.0
Operating expense:
Operating expense	143.3	67.7
TwinSpires
Net revenue:
Net revenue	94.8	100.3
Operating expense:
Operating expense	65.7	74.9
Gaming
Net revenue:
Net revenue	250.0	177.3
Operating expense:
Operating expense	173.5	125.2
All Other
Net revenue:
Net revenue	0.3	0.5
Operating expense:
Operating expense	$ 5.0	$ 3.1