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Earnings Per Share (Tables)
3 Months Ended
Dec. 31, 2016
Earnings Per Share [Abstract]  
Schedule of the components of basic and diluted earnings per share
The weighted average number of shares outstanding used to compute earnings per share was as follows:
 
 
Three Months Ended
December 31,
(shares in thousands)
 
2016
 
2015
Basic weighted average shares outstanding
 
65,770

 
65,954

Dilutive effect of employee stock options and unvested RSUs
 
250

 
334

Denominator for diluted earnings per share
 
66,020

 
66,288