Annual report pursuant to Section 13 and 15(d)

Earnings Per Share (Details)

v3.3.0.814
Earnings Per Share (Details) - shares
12 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2013
Denominator:      
Weighted average shares outstanding 66,682,000 67,680,000 68,165,000
Effect of employee stock options and unvested restricted stock awards 593,000 1,407,000 1,728,000
Denominator for diluted earnings per share 67,275,000 69,087,000 69,893,000
Unvested restricted stock units      
Awards excluded from the calculation of diluted earnings per share (in shares)      
Awards excluded from the calculation of diluted earnings per share (in shares) 15,000 286,000