Segments (Tables)

3 Months Ended

Mar. 31, 2020

Segment Reporting [Abstract]

Financial information for each segment

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

	Three Months Ended March 31,
	2020		2019
Routing	$	314.5	$	374.7
Switching	219.8		176.4
Security	74.5		67.6
Total product	608.8		618.7
Total service	389.2		383.0
Total	$	998.0	$	1,001.7

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

	Three Months Ended March 31,
	2020		2019
Cloud	$	261.9	$	223.1
Service Provider	375.5		435.6
Enterprise	360.6		343.0
Total	$	998.0	$	1,001.7

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 March 31,
	2020		2019
Americas:
United States	$	529.4	$	476.6
Other	50.1		67.0
Total Americas	579.5		543.6
Europe, Middle East, and Africa	255.0		286.2
Asia Pacific	163.5		171.9
Total	$	998.0	$	1,001.7