Summary of Significant Accounting Policies (Tables)

3 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Shares Used in Computing Basic and Diluted Earnings Per Share

Shares used in computing basic and diluted earnings per share are as follows:

	Three Months Ended December 31,
	2014	2013
Denominator (thousands of shares):
Average common shares outstanding for basic computation	172,945	172,238
Incremental shares issuable for stock options and awards	2,841	2,467
Average common shares outstanding for diluted computation	175,786	174,705