Segments

3 Months Ended

Mar. 31, 2016

Segment Reporting [Abstract]

Segments

Segments

The Company conducts business globally and is managed, operated and organized by major functional departments that operate on a consolidated basis. Each major functional leader reports directly to the Company's chief executive officer, who is the chief operating decision maker (“CODM”). The Company's CODM views the business, allocates resources and assesses the performance of the Company primarily based on consolidated financial information for the entire business, accompanied by disaggregated information about net revenues by product and service and geographic region as presented below. As a result, the Company operates in one reportable segment.

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

	Three Months Ended March 31,
	2016		2015
Routing	$	504.1	$	504.8
Switching	175.5		166.5
Security	73.4		92.8
Total product	753.0		764.1
Total service	344.9		303.3
Total	$	1,097.9	$	1,067.4

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

	Three Months Ended March 31,
	2016		2015
Americas:
United States	$	579.0	$	533.5
Other	49.2		55.5
Total Americas	628.2		589.0
Europe, Middle East, and Africa	285.4		303.8
Asia Pacific	184.3		174.6
Total	$	1,097.9	$	1,067.4

No customer accounted for greater than 10% or more of the Company's net revenues during the three months ended March 31, 2016 and March 31, 2015, respectively.

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

	As of
	March 31, 2016		December 31, 2015
United States	$	946.2	$	925.5
International	131.7		129.4
Property and equipment, net and purchased intangible assets, net	$	1,077.9	$	1,054.9

The Company tracks assets by physical location. The majority of the Company’s assets, excluding cash and cash equivalents and investments, as of March 31, 2016 and December 31, 2015, were attributable to U.S. operations.