Segments (Tables)

12 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

Net revenues by product and service

The following table presents net revenues by product and service (in millions):

	Years Ended December 31,
	2017		2016		2015
Routing	$	2,189.5	$	2,352.9	$	2,359.2
Switching	963.4		858.0		768.3
Security	293.3		318.0		435.6
Total product	3,446.2		3,528.9		3,563.1
Total service	1,581.0		1,461.2		1,294.7
Total	$	5,027.2	$	4,990.1	$	4,857.8

The following table presents net revenues by customer vertical (in millions):

	Years Ended December 31,
	2017		2016		2015
Cloud	$	1,314.9	$	1,322.3	$	1,021.2
Telecom/Cable	2,315.7		2,324.7		2,417.1
Strategic Enterprise	1,396.6		1,343.1		1,419.5
Total	$	5,027.2	$	4,990.1	$	4,857.8

Net revenues by geographic region

The Company attributes revenues to geographic region based on the end customer’s shipping address. The following table presents net revenues by geographic region (in millions):

	Years Ended December 31,
	2017		2016		2015
Americas:
United States	$	2,712.6	$	2,737.0	$	2,568.6
Other	234.6		231.8		223.6
Total Americas	2,947.2		2,968.8		2,792.2
Europe, Middle East, and Africa	1,195.8		1,238.1		1,320.3
Asia Pacific	884.2		783.2		745.3
Total	$	5,027.2	$	4,990.1	$	4,857.8

Property and equipment, net by geographic region

The following table presents geographic information for property and equipment, net and purchased intangible assets, net (in millions):

	As of December 31,
	2017		2016
United States	$	1,005.1	$	1,046.6
International	144.1		147.4
Property and equipment, net and purchased intangible assets, net	$	1,149.2	$	1,194.0