Year ended September 30,

2011

2010

2009

Numerator:

Income from continuing operations

$

82,142

$

69,397

$

53,841

Income (loss) from discontinued operations

(974

)

1,012

(7,301

)

Net income

$

81,168

$

70,409

$

46,540

Denominator:

Weighted average shares outstanding

34,417

34,827

35,141

Effect of dilutive securities:

Employee stock options and unvested restricted stock awards

1,114

1,103

632

Denominator for diluted earnings per share

35,531

35,930

35,773