Segments (Tables)

6 Months Ended

Jun. 30, 2017

Segment Reporting [Abstract]

Financial information for each segment

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2017		2016		2017		2016
Cloud	$	379.6	$	287.3	$	711.2	$	552.1
Telecom/Cable	562.4		571.0		1,130.9		1,089.1
Strategic Enterprise	366.9		363.0		687.8		678.0
Total	$	1,308.9	$	1,221.3	$	2,529.9	$	2,319.2

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2017		2016		2017		2016
Routing	$	572.5	$	574.7	$	1,094.1	$	1,078.8
Switching	276.0		209.2		517.6		384.7
Security	68.7		78.2		134.4		151.6
Total product	917.2		862.1		1,746.1		1,615.1
Total service	391.7		359.2		783.8		704.1
Total	$	1,308.9	$	1,221.3	$	2,529.9	$	2,319.2

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 June 30,				Six Months Ended June 30,
	2017		2016		2017		2016
Americas:
United States	$	749.1	$	661.3	$	1,407.2	$	1,240.3
Other	51.7		58.7		105.2		107.9
Total Americas	800.8		720.0		1,512.4		1,348.2
Europe, Middle East, and Africa	288.2		300.1		572.7		585.5
Asia Pacific	219.9		201.2		444.8		385.5
Total	$	1,308.9	$	1,221.3	$	2,529.9	$	2,319.2