Segments (Tables)

12 Months Ended

Dec. 31, 2020

Segment Reporting [Abstract]

Schedule of Financial Information by Segment

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

	Years Ended December 31,
	2020		2019		2018
Routing	$	1,612.1	$	1,623.2	$	1,839.7
Switching	918.9		901.0		934.4
Security	314.0		343.5		333.0
Total product	2,845.0		2,867.7		3,107.1
Total service	1,600.1		1,577.7		1,540.4
Total	$	4,445.1	$	4,445.4	$	4,647.5

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

	Years Ended December 31,
	2020		2019		2018
Cloud	$	1,081.2	$	1,059.8	$	1,049.9
Service Provider	1,761.7		1,827.8		2,066.7
Enterprise	1,602.2		1,557.8		1,530.9
Total	$	4,445.1	$	4,445.4	$	4,647.5

Schedule of 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):

	Years Ended December 31,
	2020		2019		2018
Americas:
United States	$	2,233.9	$	2,299.8	$	2,339.1
Other	211.2		218.2		202.1
Total Americas	2,445.1		2,518.0		2,541.2
Europe, Middle East, and Africa	1,233.8		1,215.3		1,290.8
Asia Pacific	766.2		712.1		815.5
Total	$	4,445.1	$	4,445.4	$	4,647.5

Schedule of Property and Equipment 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,
	2020		2019
United States	$	807.4	$	815.9
International	221.6		200.8
Property and equipment, net and purchased intangible assets, net	$	1,029.0	$	1,016.7