The following table sets forth the computation of basic and diluted net income per share:
|
Three months ended |
|
Nine months ended |
|
September 30, |
|
September 30, |
|
September 30, |
|
September 30, |
|
2011 |
|
2010 |
|
2011 |
|
2010 |
Numerator: |
|
|
|
|
|
|
|
Numerator for basic and diluted income per share - net income |
$ |
12,912 |
|
$ |
8,888 |
|
$ |
32,750 |
|
$ |
20,219 |
|
|
|
|
|
|
|
|
|
|
|
|
Denominator (in thousands): |
|
|
|
|
|
|
|
|
|
|
|
Denominator for basic income per share - weighted-average shares |
|
29,237 |
|
|
29,000 |
|
|
29,236 |
|
|
28,975 |
Effect of dilutive stock options and non-vested shares |
|
315 |
|
|
129 |
|
|
355 |
|
|
126 |
Denominator for diluted income per share - adjusted weighted-average shares |
|
29,552 |
|
|
29,129 |
|
|
29,591 |
|
|
29,101 |
Basic net income per share |
$ |
0.44 |
|
$ |
0.31 |
|
$ |
1.12 |
|
$ |
0.70 |
Diluted net income per share |
$ |
0.44 |
|
$ |
0.31 |
|
$ |
1.11 |
|
$ |
0.69 |
|