Goodwill and Purchased Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

The following table presents goodwill activity during the three months endedMarch 31, 2016 (in millions):

Balance as of December 31, 2015	$	2,981.3
Other	—
Balance as of March 31, 2016	$	2,981.3

Finite-lived intangible assets by major class

The Company’s purchased intangible assets were as follows (in millions):

	Gross		Accumulated Amortization			Accumulated Impairments and Other Charges			Net
As of March 31, 2016
Intangible assets with finite lives:
Technologies and patents	$	567.7	$	(494.4	)	$	(49.9	)	$	23.4
Customer contracts, support agreements, and   related relationships	78.1		(68.4		)	(2.8		)	6.9
Other	1.1		(0.8		)	—			0.3
Total purchased intangible assets	$	646.9	$	(563.6	)	$	(52.7	)	$	30.6
As of December 31, 2015
Intangible assets with finite lives:
Technologies and patents	$	567.7	$	(491.8	)	$	(49.9	)	$	26.0
Customer contracts, support agreements, and   related relationships	78.1		(67.8		)	(2.8		)	7.5
Other	1.1		(0.7		)	—			0.4
Total purchased intangible assets	$	646.9	$	(560.3	)	$	(52.7	)	$	33.9

Amortization of intangible assets included in the Condensed Consolidated Statements of Operations

The following table presents the amortization of intangible assets included in the Condensed Consolidated Statements of Operations (in millions):

	Three Months Ended March 31,
	2016		2015
Cost of revenues	$	2.4	$	10.8
Operating expenses:
Sales and marketing	0.5		0.8
General and administrative	0.4		0.3
Total operating expenses	0.9		1.1
Total	$	3.3	$	11.9

Estimated future amortization expense of purchased intangible assets with finite lives

As of March 31, 2016, the estimated future amortization expense of purchased intangible assets with finite lives is as follows (in millions):

Years Ending December 31,	Amount
Remainder of 2016	$	8.3
2017	7.0
2018	5.1
2019	4.9
2020	4.8
Thereafter	0.5
Total	$	30.6