Segments (Tables)

9 Months Ended

Sep. 30, 2020

Segment Reporting [Abstract]

Financial information for each segment

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

Net revenues by geographic region

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