Goodwill (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Goodwill, by segment, is comprised of the following:

(in millions)	Churchill Downs		Online Wagering		Gaming		All Other		Total
Balances as of December 31, 2018	$	49.7	$	148.2	$	139.1	$	1.0	$	338.0
Additions	—		—		26.1		3.0		29.1
Balances as of December 31, 2019	49.7		148.2		165.2		4.0		367.1
Adjustments	—		—		—		$	(0.3)	(0.3)
Balances as of December 31, 2020	$	49.7	$	148.2	$	165.2	$	3.7	$	366.8