Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [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)	2017			2016
Land	$	56.7		51.4
Buildings	220.5			196.4
Leasehold improvements	205.5			187.5
Vehicles	490.9			394.5
Capitalized software(a)	199.3			179.1
Other machinery and equipment	634.0			549.6
	1,806.9			1,558.5
Accumulated depreciation and amortization	(1,166.0		)	(1,027.5	)
Property and equipment, net	$	640.9		531.0

(a) Amortization of capitalized software costs included in continuing operations was $20.5 million in 2017, $19.6 million in 2016 and $20.7 million in 2015.