Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Schedule of Property, Plant and Equipment

Estimated Useful Lives	Years
Buildings	16 to 25
Building leasehold improvements	3 to 10
Vehicles	3 to 10
Capitalized software	3 to 5
Other machinery and equipment	3 to 10

The following table presents our property and equipment that is classified as held and used:

	December 31,
(In millions)	2020		2019
Land	$	53.1	51.9
Buildings	229.1		211.0
Leasehold improvements	269.2		236.0
Vehicles	686.6		646.3
Capitalized software(a)	233.4		213.4
Other machinery and equipment	742.4		667.3
	2,213.8		2,025.9
Accumulated depreciation and amortization	(1,375.6)		(1,262.6)
Property and equipment, net	$	838.2	763.3

(a)Amortization of capitalized software costs included in continuing operations was $14.7 million in 2020, $15.7 million in 2019 and $16.5 million in 2018.