Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

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)	2016			2015
Land	$	51.4		56.3
Buildings	196.4			192.8
Leasehold improvements	187.5			181.3
Vehicles	394.5			369.4
Capitalized software(a)	179.1			183.6
Other machinery and equipment	549.6			572.1
	1,558.5			1,555.5
Accumulated depreciation and amortization	(1,027.5		)	(1,006.5	)
Property and equipment, net	$	531.0		549.0

(a) Amortization of capitalized software costs included in continuing operations was $19.6 million in 2016, $20.7 million in 2015 and $20.3 million in 2014.