Segments (Tables)

3 Months Ended

Mar. 31, 2017

Segment Reporting [Abstract]

Financial information for each segment

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

	Three Months Ended March 31,
	2017		2016
Cloud	$	331.6	$	264.8
Telecom/Cable	568.5		518.1
Strategic Enterprise	320.9		315.0
Total	$	1,221.0	$	1,097.9

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

	Three Months Ended March 31,
	2017		2016
Routing	$	521.6	$	504.1
Switching	241.6		175.5
Security	65.7		73.4
Total product	828.9		753.0
Total service	392.1		344.9
Total	$	1,221.0	$	1,097.9

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,
	2017		2016
Americas:
United States	$	658.1	$	579.0
Other	53.5		49.2
Total Americas	711.6		628.2
Europe, Middle East, and Africa	284.5		285.4
Asia Pacific	224.9		184.3
Total	$	1,221.0	$	1,097.9