Goodwill - Schedule of Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Goodwill [Roll Forward]
Balance, beginning of period	$ 899.9	$ 723.8
Additions		177.1
Adjustments	0.3	(1.0)
Balance, end of period	900.2	899.9
All Other
Goodwill [Roll Forward]
Balance, beginning of period	0.0	1.0
Additions		0.0
Adjustments	0.0	(1.0)
Balance, end of period	0.0	0.0
Live and Historical | Operating Segments
Goodwill [Roll Forward]
Balance, beginning of period	376.2	280.3
Additions		95.9
Adjustments	0.1	0.0
Balance, end of period	376.3	376.2
Wagering Services and Solutions | Operating Segments
Goodwill [Roll Forward]
Balance, beginning of period	233.4	152.2
Additions		81.2
Adjustments	0.2	0.0
Balance, end of period	233.6	233.4
Gaming | Operating Segments
Goodwill [Roll Forward]
Balance, beginning of period	290.3	290.3
Additions		0.0
Adjustments	0.0	0.0
Balance, end of period	$ 290.3	$ 290.3