Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2011

Share-Based Compensation

Summary of stock option activity and related information

	Options		Weighted average exercise price		Weighted average remaining contractual term (in years)
Outstanding at December 31, 2010		298,295	$	29.98		0.69
Granted		—		—
Exercised		(165,721)		30.65
Terminated/Canceled		(104,979)		29.26
Outstanding at December 31, 2011		27,595	$	28.64		0.62
Exercisable at December 31, 2011		27,595	$	28.64		0.62

Schedule of assumptions used to calculate the grant date fair value of options granted using Black-Scholes option-pricing model

Dividend yield	2.71%
Risk-free interest rate	0.88%
Expected volatility	64.90%
Expected life (in years)	1.79

Summary of nonvested share activity and related fair value

	Nonvested Stock Shares		Weighted Average Grant Date Fair Value
Nonvested at December 31, 2010		4,697,209	$	27.86
Granted		1,632,699		36.19
Vested		(1,427,409)		24.83
Forfeited		(34,482)		30.42
Nonvested at December 31, 2011		4,868,017	$	31.52