Summary of Significant Accounting Policies (Tables)

9 Months Ended

Jun. 30, 2016

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 June 30,		Nine Months Ended June 30,
	2016	2015	2016	2015
Denominator (thousands of shares):
Weighted-average common shares outstanding - basic	173,395	173,136	172,954	173,060
Incremental shares issuable for stock options and awards	2,579	2,444	2,306	2,605
Weighted-average common shares outstanding - diluted	175,974	175,580	175,260	175,665