Segment Information Major Geographic Area (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues and Long-Lived Assets
Long-Lived Assets	$ 2,227.3	$ 2,346.1
Net revenue	9,400.6	9,449.4	$ 9,107.9
Domestic
Revenues and Long-Lived Assets
Long-Lived Assets	1,546.0	1,676.7
Total International
Revenues and Long-Lived Assets
Long-Lived Assets	681.3	669.4
Net revenue	3,298.4	3,291.7	3,344.8
United Kingdom
Revenues and Long-Lived Assets
Long-Lived Assets	290.1	254.8
Net revenue	759.2	742.2	781.5
Continental Europe
Revenues and Long-Lived Assets
Long-Lived Assets	84.7	87.6
Net revenue	795.7	764.6	799.7
Asia Pacific
Revenues and Long-Lived Assets
Long-Lived Assets	163.2	176.5
Net revenue	729.8	772.7	791.4
Latin America
Revenues and Long-Lived Assets
Long-Lived Assets	59.0	61.6
Net revenue	448.7	423.6	396.4
Other
Revenues and Long-Lived Assets
Long-Lived Assets	84.3	88.9
Net revenue	$ 565.0	$ 588.6	$ 575.8