Operations by Industry Segment and Geographic Area - Schedule of Property and Equipment, Net by Major Geographic Region (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Segments, Geographical Areas [Abstract]
Total property and equipment, net	$ 181.9	$ 187.6
United States
Segments, Geographical Areas [Abstract]
Total property and equipment, net	148.2	151.7
United Kingdom
Segments, Geographical Areas [Abstract]
Total property and equipment, net	16.5	15.2
Brazil
Segments, Geographical Areas [Abstract]
Total property and equipment, net	4.9	7.4
South Africa
Segments, Geographical Areas [Abstract]
Total property and equipment, net	4.1	3.6
Australia
Segments, Geographical Areas [Abstract]
Total property and equipment, net	4.0	4.4
Canada
Segments, Geographical Areas [Abstract]
Total property and equipment, net	3.9	5.0
France
Segments, Geographical Areas [Abstract]
Total property and equipment, net	0.1	0.2
Chile
Segments, Geographical Areas [Abstract]
Total property and equipment, net	0.1	0.1
Other
Segments, Geographical Areas [Abstract]
Total property and equipment, net	0.1	0.0
Total foreign
Segments, Geographical Areas [Abstract]
Total property and equipment, net	$ 33.7	$ 35.9