Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2013

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule Of Breakout Of The Stock-Based Compensation Expense

	2013		2012		2011
Cost of revenue	$	2.3	$	2.1	$	1.3
Research and development		3.6		4.1		3.5
Selling, general and administrative		22.4		17.7		17.6
Stock-based compensation expense before income taxes		28.3		23.9		22.4
Income tax benefit		(10.6	)	(9.2	)	(8.7	)
Stock-based compensation expense after income taxes	$	17.7	$	14.7	$	13.7

Restricted Stock And Deferred Stock Units (RSUs And DSUs) [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary Of Status Of Stock-Based Compensation Plans

	Units (In Millions)		Weighted Average Grant Date Fair Value (Per Share)	Weighted Average Remaining Contractual Life (Years)		Aggregate Intrinsic Value (In Millions)
RSUs and DSUs at December 31, 2012	2.5	$	34.85	1.7	$	57.4
Granted	1.3		23.26
Vested	(0.8	)	32.00
Forfeited or canceled	(0.2	)	32.05
RSUs and DSUs at December 31, 2013	2.8	$	30.71	1.6	$	100.5

Stock Options [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary Of Status Of Stock-Based Compensation Plans

	Options (In Millions)	Weighted Average Exercise Price (Per Share)		Weighted Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value (In Millions)
Outstanding at December 31, 2012	4.3	$	60.45	2.6	$	3.4
Granted	-
Exercised	(0.0	)	31.43
Forfeited or canceled	(1.0	)	61.01
Outstanding at December 31, 2013	3.3		60.40	2.2		11.2
Vested and expected to vest at December 31, 2013	3.3		60.82	2.2		10.6
Exercisable at December 31, 2013	3.1	$	63.10	2.0	$	7.8