Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

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)	2018			2017
Land	$	51.7		56.7
Buildings	199.9			220.5
Leasehold improvements	219.7			205.5
Vehicles	568.4			490.9
Capitalized software(a)	203.4			199.3
Other machinery and equipment	625.5			634.0
	1,868.6			1,806.9
Accumulated depreciation and amortization	(1,169.2		)	(1,166.0	)
Property and equipment, net	$	699.4		640.9

(a) Amortization of capitalized software costs included in continuing operations was $16.5 million in 2018, $20.5 million in 2017 and $19.6 million in 2016.