Share-Based Compensation (Tables)

3 Months Ended

Dec. 31, 2014

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 2014 and 2013, respectively, were estimated on the date of grant using a lattice-based binomial valuation model based on the following assumptions:

	2015			2014
Risk-free interest rate		2.20	%		2.31	%
Expected volatility		19.00	%		19.00	%
Expected dividend yield		1.78	%		2.00	%
Expected life		7.6 years			7.8 years
Fair value derived	$	24.82		$	19.90