Significant Accounting Policies (Tables)

3 Months Ended

Dec. 31, 2012

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,
	2012	2011
Denominator (thousands of shares):
Average common shares outstanding for basic computation	113,136	112,240
Incremental shares issuable for stock options and awards	1,354	912
Average common shares outstanding for diluted computation	114,490	113,152