Goodwill and Purchased Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

The following table presents the goodwill activity (in millions):

	Total
December 31, 2013	$	4,057.7
Additions due to business combination	13.6
Impairment	(850.0		)
Divestiture	(239.8		)
December 31, 2014	2,981.5
Other	(0.2		)
December 31, 2015	$	2,981.3

Purchased Intangible Assets

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

	Gross		Accumulated Amortization			Accumulated Impairments and Other Charges			Net
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
As of December 31, 2014
Intangible assets with finite lives:
Technologies and patents	$	567.7	$	(466.1	)	$	(49.9	)	$	51.7
Customer contracts, support agreements, and    related relationships	78.1		(65.2		)	(2.8		)	10.1
Other	1.1		(0.5		)	—			0.6
Total purchased intangible assets	$	646.9	$	(531.8	)	$	(52.7	)	$	62.4

Schedule of Intangible Assets Amortization Included in Consolidated Statements of Operations

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

	Years Ended December 31,
	2015		2014		2013
Cost of revenues	$	24.6	$	30.9	$	27.3
Operating expenses:
Sales and marketing	2.8		4.2		3.4
General and administrative	1.1		1.2		1.2
Total operating expenses	3.9		5.4		4.6
Total	$	28.5	$	36.3	$	31.9

Estimated Future Amortization Expense of Purchased Intangible Assets with Finite Lives

As of December 31, 2015, the estimated future amortization expense of purchased intangible assets with finite lives is as follows (in millions):

Years Ending December 31,	Amount
2016	$	11.6
2017	7.0
2018	5.1
2019	4.9
2020	4.8
Thereafter	0.5
Total	$	33.9