Segments

9 Months Ended

Sep. 30, 2020

Segment Reporting [Abstract]

Segments

Note 10. Segments

The Company operates in one reportable segment. The Company's chief executive officer, who is the chief operating decision maker, reviews financial information presented on a consolidated basis for purposes of allocating resources and evaluating financial performance, accompanied by disaggregated information about net revenues by product and service, customer vertical, and geographic region as presented below.

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Routing	$	432.0	$	407.5	$	1,149.7	$	1,199.1
Switching	229.0		241.6		657.6		633.6
Security	72.7		94.1		227.5		243.1
Total product	733.7		743.2		2,034.8		2,075.8
Total service	404.5		389.9		1,187.7		1,161.5
Total	$	1,138.2	$	1,133.1	$	3,222.5	$	3,237.3

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Cloud	$	253.1	$	271.9	$	800.5	$	780.0
Service Provider	475.1		452.5		1,286.8		1,335.3
Enterprise	410.0		408.7		1,135.2		1,122.0
Total	$	1,138.2	$	1,133.1	$	3,222.5	$	3,237.3

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Americas:
United States	$	575.0	$	599.4	$	1,651.7	$	1,677.2
Other	49.3		49.4		160.9		164.0
Total Americas	624.3		648.8		1,812.6		1,841.2
Europe, Middle East, and Africa	321.1		301.5		870.2		879.6
Asia Pacific	192.8		182.8		539.7		516.5
Total	$	1,138.2	$	1,133.1	$	3,222.5	$	3,237.3