Stockholders' Equity And Share-Based Awards (Tables)

12 Months Ended

Dec. 31, 2011

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

Summary Of Stock Option Activity

	Shares (in  thousands)			Weighted Average Exercise Price		Weighted Average Remaining Life (years)		Total Intrinsic Value (in  millions)
Options outstanding, beginning of year		2,529.3		$	20.33
Granted		—			—
Exercised		(990.2	)		15.09
Cancelled		(46.3	)		21.69
Options outstanding, end of year(1)		1,492.8		$	23.59		2.6	$	10.6
Options exercisable, end of year		1,318.8		$	23.76		2.3	$	9.2

(1) - Approximates the options vested and expected to vest

Weighted Average Fair Value And Total Intrinsic Value

	Weighted Average Per Share Grant Date Fair Value		Total Intrinsic Value of Options Exercised (in millions)
2011	$	—	$	18.4
2010		16.89		9.4
2009		9.91		18.6

Assumptions Used To Determine Weighted Average Grant Date Fair Value

	2011		2010			2009
Expected volatility		—		60.7	%		58.3	%
Risk-free interest rates		—		2.3	%		2.3	%
Expected life (in years)		—		4.5			4.5

Summary Of Restricted Share Activity

	Shares (in  thousands)
Outstanding as of December 31, 2010		3,422.6
Granted		1,246.8
Released/Vested		(487.1	)
Cancelled		(209.6	)
Outstanding as of December 31, 2011		3,972.7

Total Fair Value Of Restricted Shares Granted And Vested

(in millions)	2011		2010		2009
Total fair value of restricted shares granted	$	36.0	$	73.9	$	36.1
Total fair value of restricted shares vested		14.5		19.5		30.0

Restricted Shares [Member]

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

Assumptions Used To Determine Weighted Average Grant Date Fair Value

	2011			2010			2009
Expected volatility		44.0	%		49.4	%		50.4	%
Risk-free interest rates		2.2	%		2.6	%		1.4	%
Derived service periods (in years)		0.2			0.1			0.2