Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2011

Share-Based Compensation [Abstract]

Schedule Of Share-Based Compensation, Shares Authorized Under Stock Option Plans, By Exercise Price Range

	Number of shares (in thousands)	Weighted- average exercise price	Weighted- average remaining contractual term in years	Aggregate intrinsic value (in thousands)
Options outstanding as of December 31, 2010	72,461	$16.22
Granted	5,325	$21.10
Exercised	(8,212)	$11.02
Forfeited and expired	(4,547)	$35.75
Options outstanding as of December 31, 2011	65,027	$15.91	4.77	126,366
Options exercisable as of December 31, 2011	53,209	$15.49	4.04	118,042

Valuation Of Option Grants Under Our Stock Option Plans Of Black Scholes

	2011	2010	2009
Expected volatility	47-49%	48-49%	40-60%
Weighted-average volatility	47-49%	48-49%	54-55%
Dividend yield	1.05-1.10%	1.13-1.40%	1.40-1.59%
Risk-free rate	1.0-2.7%	1.5-3.2%	0.1-5.6%
Average risk-free rate	1.3-2.6%	2-3.2%	2.7-3.8%
Expected term (in years)	5.1-6.7	5.1-6.5
Expected time to exercise (in years)			1.6-5.8
Pre-vesting departure rate	0.4-3.9%	1.4-3.6%	1.3-2.8%

Time-Based Restricted Stock And Restricted Stock Units

	Shares (000's)	Weighted- average grant-date fair value
Nonvested shares at December 31, 2010	3,698	$ 18.33
Granted	1,600	18.97
Vested	(917)	18.80
Forfeited	(277)	22.96
Nonvested shares and share units at December 31, 2011	4,104	$18.16

Performance-Based Restricted Stock And Restricted Stock Units

	Shares (000's)	Weighted- average grant-date fair value
Nonvested restricted stock at December 31, 2010	6,072	$ 9.24
Granted
Vested	(712)	13.51
Forfeited	(226)	8.67
Nonvested restricted stock and restricted stock units at December 31, 2011	5,134	$8.67