Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share (Details)

v2.4.0.8
Earnings Per Share (Details) (USD $)
In Thousands, unless otherwise specified
 1 Months Ended 3 Months Ended 9 Months Ended
Jun. 30, 2013
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Earnings Per Share          
Stock split 2        
Numerator:          
Income from continuing operations   $ 28,036 $ 20,476 $ 81,533 $ 52,345
Income (loss) from discontinued operations   64 9 (428) 117
Net income   $ 28,100 $ 20,485 $ 81,105 $ 52,462
Denominator:          
Basic weighted average shares outstanding   68,162 67,946 68,168 67,615
Effect of dilutive securities:          
Employee stock options and unvested restricted stock units (in shares)   1,705 1,790 1,696 1,825
Denominator for diluted earnings (loss) per share (in shares)   69,867 69,736 69,864 69,440
Shares excluded from the calculation of earnings per share   0 0 0 0