Share Based Compensation (Tables)

12 Months Ended

Dec. 31, 2015

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,
	2015	2014	2013
Risk-free interest rate	1.8%	1.6%	1.1%
Dividend yield	5.2%	5.2%	5.4%
Historical volatility factor	0.240	0.236	0.356
Weighted-average expected life	7 years	6 years	6 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, 2015 follows:

	Options (000s)		Weighted Average Exercise Price
Outstanding January 1, 2015	2,492		$	36.48
Granted	353		35.18
Exercised	(65	)	32.38
Forfeited	(171	)	41.53
Outstanding December 31, 2015	2,609		$	36.08
Exercisable at December 31, 2015	1,795		$	35.84

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

The key assumptions used in the Monte Carlo simulation are as follows:

	Year Ended December 31,
	2015	2014	2013
Risk-free interest rate	0.99%	0.68%	0.35%
Volatility	17%	24%	26%

Schedule of Nonvested Share Activity [Table Text Block]

The Company's restricted LTI share activity for the year ended December 31, 2015 is as follows:

	Shares (000s)		Weighted Avg. Grant Date Fair value
Nonvested at January 1, 2015	753		$	36.89
Granted	216		35.14
Vested	(207	)	35.61
Forfeited	(39	)	36.68
Nonvested at December 31, 2015	723		$	36.75