Goodwill and Purchased Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2011

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill by segment [Text Block]

The following table summarizes the Company's goodwill activities by segment in the nine months ended September 30, 2011 (in millions):

	Infrastructure		SLT			Total
Balance as of January 1, 2011
Goodwill	$	1,643.4	$	3,564.4		$	5,207.8
Accumulated impairment losses	—		(1,280.0		)	(1,280.0		)
Carrying value at January 1, 2011	1,643.4		2,284.4			3,927.8
Adjustments to goodwill	2.1		(1.8		)	0.3
Goodwill acquired during the nine months ended September 30, 2011	0.4		—			0.4
Balance as of September 30, 2011
Goodwill	1,645.9		3,562.6			5,208.5
Accumulated impairment losses	—		(1,280.0		)	(1,280.0		)
Carrying value at September 30, 2011	$	1,645.9	$	2,282.6		$	3,928.5

Schedule of finite-lived and indefinite-lived intangible assets by major class [Text Block]

Changes to the Company’s purchased intangible assets were as follows (in millions):

	Gross		Accumulated Amortization			Net
As of September 30, 2011:
Intangible assets with finite lives:
Technologies and patents	$	494.4	$	(398.3	)	$	96.1
Other	91.5		(65.5		)	26.0
Total intangible assets with finite lives	585.9		(463.8		)	122.1
IPR&D with indefinite lives	7.9		—			7.9
Total purchased intangible assets	$	593.8	$	(463.8	)	$	130.0
As of December 31, 2010:
Intangible assets with finite lives:
Technologies and patents	$	471.1	$	(381.4	)	$	89.7
Other	86.4		(62.2		)	24.2
Total intangible assets with finite lives	557.5		(443.6		)	113.9
IPR&D with indefinite lives	7.9		—			7.9
Total purchased intangible assets	$	565.4	$	(443.6	)	$	121.8

Estimated future amortization expense of purchased intangible assets with definite lives [Text Block]

The estimated future amortization expense of purchased intangible assets with finite lives is as follows (in millions):

Years Ending December 31,	Amount
2011 (remaining three months)	$	6.6
2012	26.4
2013	26.1
2014	24.3
2015	19.3
Thereafter	19.4
Total	$	122.1