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Property and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
Property and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 2,287.3	$ 2,213.8
Accumulated depreciation and amortization	(1,421.7)	(1,375.6)
Property and equipment, net	865.6	838.2
Amortization	14.5	14.7	$ 15.7
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	50.4	53.1
Buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	224.6	229.1
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	271.4	269.2
Vehicles
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	712.7	686.6
Capitalized software(a)
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	233.2	233.4
Other machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 795.0	$ 742.4