Share Based Compensation (Tables)

12 Months Ended

Dec. 31, 2011

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

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The following weighted-average assumptions were utilized in calculating the fair value of options granted during the periods indicated:

	Year Ended December 31,
	2011	2010	2009
Risk-free interest rate	2.1%	2.3%	1.6%
Dividend yield	6.1%	7.6%	8.5%
Historical volatility factor	0.366	0.357	0.325
Weighted-average expected life	5 years	5 years	5 years

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

A summary of the Company's share option activity, and related information for the year ended December 31, 2011 follows:

	Options (000s)		Weighted Average Exercise Price
Outstanding January 1, 2011	3,323		$33.06
Granted	253		33.51
Exercised	(256	)	29.63
Forfeited	(9	)	28.28
Outstanding December 31, 2011	3,311		$33.37
Exercisable at December 31, 2011	2,435		$34.85

Schedule of Nonvested Share Activity [Table Text Block]

he Company's restricted LTI share activity for the year ended December 31, 2011 is as follows:

	Shares (000s)		Weighted Avg. Grant Date Fair value
Nonvested at January 1, 2011	729		$29.03
Granted	217		33.62
Vested	(199	)	30.95
Forfeited	(2	)	28.82
Nonvested at December 31, 2011	745		$29.86