Property and Equipment - Property and Equipment, net (Detail) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 1,078.5	$ 895.9
Accumulated depreciation	(532.8)	(459.5)
Property and equipment, net	545.7	436.4
Equipment
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	484.5	455.6
Finance lease assets
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	239.0	162.1
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	144.7	104.1
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	79.4	61.9
Software
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	43.2	28.4
Land and buildings
Property, Plant and Equipment [Line Items]
Land and buildings	27.5	22.3
Fixed assets in progress
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	$ 60.2	$ 61.5