Property and Equipment, net

3 Months Ended

Mar. 31, 2015

Property, Plant and Equipment [Abstract]

Property and Equipment, net

Property and Equipment, net

Property and equipment consisted of: 

(Dollar amounts in millions)	Estimated Useful Lives				December 31, 2014			March 31, 2015
Computers and equipment	3	-	5	years	$	1,495.2		$	1,538.4
Computer software	1	-	5	years	318.9			338.2
Furniture and fixtures	7	years			56.7			58.3
Buildings and leasehold improvements	2	-	30	years	253.6			301.7
Land					27.9			27.4
Property and equipment, at cost					2,152.3			2,264.0
Less accumulated depreciation and amortization					(1,249.5		)	(1,317.1		)
Work in process					154.9			121.9
Property and equipment, net					$	1,057.7		$	1,068.8

At December 31, 2014, the work in process balance consisted of build outs of $51.3 million for office facilities, $80.5 million for data centers, and $23.1 million for capitalized software and other projects. At March 31, 2015, the work in process balance consisted of build outs of $59.7 million for office facilities, $46.2 million for data centers, and $16.0 million for capitalized software and other projects. During the first quarter of 2015, we placed into service and began depreciating $51.4 million of construction costs related to the completed portion of a data center in the U.K., for which we are deemed the owner for accounting purposes. See Note 4. "Build-to-Suit Leases" for more information.

For the three months ended March 31, 2015, we capitalized non-cash interest of $1.8 million related to finance lease obligations for build-to-suit leases. There was no interest capitalized during the three months ended March 31, 2014.