Selected Income Statement Information Selected Income Statement Information (Notes)

12 Months Ended

Dec. 31, 2015

SELECTED INCOME STATEMENT INFORMATION

The following schedule shows our revenue, costs and gross margins by services and products:



	Year Ended December 31,
(in thousands)	2015			2014			2013
Revenue:
Services	$	2,001,167		$	2,336,304		$	2,174,739
Products	1,061,587			1,323,320			1,112,280
Total revenue	3,062,754			3,659,624			3,287,019
Cost of Services and Products:
Services	1,585,305			1,742,411			1,624,483
Products	800,316			946,923			788,109
Unallocated expenses	71,704			111,089			108,891
Total cost of services and products	2,457,325			2,800,423			2,521,483
Gross margin:
Services	415,862			593,893			550,256
Products	261,271			376,397			324,171
Unallocated expenses	(71,704		)	(111,089		)	(108,891		)
Total gross margin	$	605,429		$	859,201		$	765,536