Significant Accounting Policies (Tables)

9 Months Ended

Jun. 30, 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 June 30,		Nine Months Ended June 30,
	2012	2011	2012	2011
Denominator (thousands of shares):
Average common shares outstanding for basic computation	112,726	112,020	112,484	111,515
Incremental shares issuable for stock options and awards	—	—	811	1,531
Average common shares outstanding for diluted computation	112,726	112,020	113,295	113,046