Share-Based Compensation (Tables)

3 Months Ended

Dec. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Assumptions for Estimation of Fair Values of Stock Appreciation Rights Granted During Reporting Periods

The fair values of stock appreciation rights granted during the annual share-based grants in November of 2015 and 2014, respectively, were estimated on the date of grant using a lattice-based binomial valuation model based on the following assumptions:

	2016			2015
Risk-free interest rate	2.17		%	2.20		%
Expected volatility	19.00		%	19.00		%
Expected dividend yield	1.76		%	1.78		%
Expected life	7.6 years			7.6 years
Fair value derived	$	27.69		$	24.82