Property and Equipment

6 Months Ended

Jun. 30, 2016

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and Equipment

The following table outlines the Company’s property and equipment:

(In millions)	June 30, 2016			December 31, 2015
Property and Equipment
Land	$	391.9		$	359.5
Buildings and leasehold improvements	472.6			476.8
Vehicles, tractors, trailers and tankers	1,489.1			1,440.5
Machinery and equipment	356.7			325.9
Office and warehouse equipment	84.2			79.5
Computer software and equipment	424.1			379.3
	3,218.6			3,061.5
Less: Accumulated depreciation and amortization	(464.1		)	(209.3		)
Total Property and Equipment, net	$	2,754.5		$	2,852.2

Depreciation of property and equipment and amortization of computer software was $116.0 million and $26.5 million for the three-month periods ended June 30, 2016 and 2015, respectively, and $235.5 million and $42.3 million for the six-month periods ended June 30, 2016 and 2015, respectively. The net book value of capitalized internally-developed software totaled $125.3 million and $122.8 million as of June 30, 2016 and December 31, 2015, respectively.