Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2012

Employee Benefits and Share-based Compensation [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

The following table summarizes the Company’s stock option activity and related information as of and for the nine months ended September 30, 2012 (in millions, except for per share amounts and years):



	Outstanding Options
	Number of Shares		Weighted Average Exercise Price per Share		Weighted Average Remaining Contractual Term (In Years)	Aggregate Intrinsic Value
Balance at January 1, 2012	38.6		$	23.98
Options granted	3.1		22.81
Options canceled	(2.1	)	25.61
Options exercised	(2.8	)	10.84
Options expired	(1.1	)	26.97
Balance at September 30, 2012	35.7		$	24.73	3.2	$	17.2

As of September 30, 2012:
Vested or expected-to-vest options	34.6		$	24.58	3.2	$	17.1
Exercisable options	27.4		$	23.59	2.6	$	15.4

Schedule of Nonvested Share Activity [Table Text Block]

The following table summarizes the Company’s RSU and PSA activity and related information as of and for the nine months ended September 30, 2012 (in millions, except per share amounts and years):



	Outstanding RSUs and PSAs
	Number of Shares		Weighted Average Grant-Date Fair Value per Share		Weighted Average Remaining Contractual Term (In Years)	Aggregate Intrinsic Value
Balance at January 1, 2012	19.6		$	30.27
RSUs granted	7.8		20.83
RSUs assumed	0.2		22.47
PSAs granted^(*)	2.2		23.07
RSUs vested	(2.2	)	28.10
PSAs vested	(1.9	)	18.02
RSUs canceled	(1.5	)	28.66
PSAs canceled	(0.9	)	32.50
Balance at September 30, 2012	23.3		$	27.77	1.4	$	399.0

As of September 30, 2012:
Vested and expected-to-vest RSUs and PSAs	18.8		$	27.56	1.3	$	322.4

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^(*)

The number of shares subject to PSAs granted represents the aggregate maximum number of shares that may be issued pursuant to the award over its full term. The aggregate number of shares subject to these PSAs that would be issued if performance goals determined by the Compensation Committee are achieved at target is 0.9 million shares. Depending on achievement of such performance goals, the range of shares that could be issued under these awards is 0 to 2.2 million shares.

Shares available for grant [Table Text Block]

The following table presents the stock grant activity and the total number of shares available for grant under the 2006 Plan as of September 30, 2012 (in millions):



	Number of Shares
Balance at January 1, 2012	41.1
Additional shares authorized for issuance	25.0
RSUs and PSAs granted ⁽¹⁾	(21.0	)
Options granted	(3.1	)
RSUs and PSAs canceled⁽¹⁾	5.0
Options canceled ⁽²⁾	2.1
Options expired ⁽²⁾	1.1
Balance at September 30, 2012	50.2

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⁽¹⁾

RSUs and PSAs with a per share or unit purchase price lower than 100% of the fair market value of the Company's common stock on the day of the grant under the 2006 Plan are counted against shares authorized under the plan as two and one-tenth shares of common stock for each share subject to such award. The number of shares subject to PSAs granted represents the maximum number of shares that may be issued pursuant to the award over its full term.


⁽²⁾	Includes canceled or expired options under the 1996 Plan and the 2000 Plan that expired after May 18, 2006, which become available for grant under the 2006 Plan according to its terms.

Estimates of Weighted Average Fair Value Per Share Under Employee Purchase Plan And Stock Purchase Plan [Table Text Block]

The weighted average assumptions used and the resulting estimates of fair value for stock options and the employee stock purchase plan were:



	Three Months Ended September 30,		Nine Months Ended September 30,
	2012	2011	2012	2011
Stock Options:
Volatility	46%	46%	46%	41%
Risk-free interest rate	0.7%	0.8%	0.8%	1.7%
Expected life (years)	4.2	4.1	4.2	4.3
Dividend yield	—	—	—	—
Weighted-average fair value per share	$6.89	$8.34	$8.46	$15.12

Employee Stock Purchase Plan:
Volatility	42%	45%	47%	40%
Risk-free interest rate	0.1%	0.2%	0.1%	0.2%
Expected life (years)	0.5	0.5	0.5	0.5
Dividend yield	—	—	—	—
Weighted-average fair value per share	$4.77	$6.37	$5.53	$7.50

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

The Company’s share-based compensation expense associated with stock options, employee stock purchases, RSUs, and PSAs was recorded in the following cost and expense categories (in millions):



	Three Months Ended September 30,				Nine Months Ended September 30,
	2012		2011		2012		2011
Cost of revenues - Product	$	1.2	$	1.2	$	3.5	$	3.4
Cost of revenues - Service	3.8		3.8		13.2		12.1
Research and development	26.0		26.5		80.3		75.4
Sales and marketing	21.4		20.6		64.3		53.0
General and administrative	6.7		8.4		24.7		25.7
Total	$	59.1	$	60.5	$	186.0	$	169.6

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

The following table summarizes share-based compensation expense by award type (in millions):



	Three Months Ended September 30,				Nine Months Ended September 30,
	2012		2011		2012		2011
Stock options	$	14.3	$	18.8	$	47.1	$	58.4
RSUs and PSAs	39.7		35.6		122.3		93.6
Assumed RSUs	0.4		—		1.0		—
Employee stock purchase plan	4.7		4.6		15.6		13.2
Other acquisition-related compensation	—		1.5		—		4.4
Total	$	59.1	$	60.5	$	186.0	$	169.6

- Definition

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

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- Definition

Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

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