Segment Information - Assets and Goodwill (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets:	$ 9,135.9	$ 9,471.9
Goodwill	3,445.8	3,431.3	$ 3,493.3
Other intangibles:	3,915.9	4,320.1	$ 4,824.5
Other long-lived assets	1,100.7	1,000.6
Total long-lived assets	8,462.4	8,752.0
Deferred income tax	17.2	16.0
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets:	7,643.3	7,919.4
Goodwill	2,929.6	2,929.6
Other intangibles:	3,451.5	3,805.7
Other long-lived assets	891.6	809.1
International
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets:	1,492.6	1,552.5
Goodwill	516.2	501.7
Other intangibles:	464.4	514.4
Other long-lived assets	$ 209.1	$ 191.5