Property and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 760.2	$ 728.7
Less: Accumulated depreciation	(624.2)	(564.9)
Total Property and equipment, net	136.0	163.8
Depreciation and amortization	76.3	81.4	$ 82.8
Software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	208.1	194.5
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	264.1	256.0
Plant and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	124.9	121.0
Equipment under finance lease
Property, Plant and Equipment [Line Items]
Property and equipment, gross	150.6	134.5
Software under development
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2.5	10.0
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 10.0	$ 12.7