Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2016

Share-based Compensation [Abstract]

Schedule of Valuation Assumptions

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
Risk-free interest rate	1.8%	1.6%
Dividend yield	5.2%	5.2%
Historical volatility factor	0.24	0.236
Weighted-average expected life	7 years	6 years

Schedule of Stock Options Activity

A summary of the Company's share option activity and related information for the year ended December 31, 2016 follows:

	Options (000s)		Weighted Average Exercise Price
Outstanding January 1, 2016	2,609		$	36.08
Exercised	(451	)	31.90
Forfeited	(231	)	44.42
Outstanding December 31, 2016	1,927		$	36.02
Exercisable at December 31, 2016	1,436		$	35.99

Schedule of Key Assumptions Used in the Monte Carlo Simulation

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

	Year Ended December 31,
	2016	2015	2014
Risk-free interest rate	1.01%	0.99%	0.68%
Volatility	19%	17%	24%

Schedule of Nonvested Share Activity

The Company's restricted LTI share activity for the year ended December 31, 2016 is as follows:

	Shares (000s)		Weighted Avg. Grant Date Fair value
Nonvested at January 1, 2016	723		$	36.75
Granted	388		32.48
Vested	(242	)	37.07
Forfeited	(57	)	35.39
Nonvested at December 31, 2016	812		$	34.71