Significant Accounting Policies (Tables)

9 Months Ended

Jun. 30, 2013

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,
	2013	2012	2013	2012
Denominator (thousands of shares):
Average common shares outstanding for basic computation	114,240	112,726	113,693	112,484
Incremental shares issuable for stock options and awards	1,956	—	1,582	811
Average common shares outstanding for diluted computation	116,196	112,726	115,275	113,295