| Reconciliation of basic common shares outstanding to diluted common and common equivalent shares outstanding |
The following is a reconciliation of basic common shares outstanding to diluted common and common equivalent shares outstanding: | | | | | | | | | | For the three-month periods ended | | March 31, 2012 | | April 2, 2011 | | | | | Weighted-average number of common and common equivalent shares outstanding: | | | | Basic number of common shares outstanding | 58,057,275 |
| | 57,049,228 |
| Dilutive effect of unvested restricted stock | 178,708 |
| | 141,851 |
| Dilutive effect of stock options | 604,735 |
| | 694,932 |
| Diluted number of common and common equivalent shares outstanding | 58,840,718 |
| | 57,886,011 |
| | | | | Basic net income per common share: | | | | Net income | $ | 32,275,000 |
| | $ | 32,123,000 |
| Income allocated to participating securities | (442,525 | ) | | (364,477 | ) | Net income available to common shareholders | $ | 31,832,475 |
| | $ | 31,758,523 |
| | | | | Basic net income per common share | $ | 0.55 |
| | $ | 0.56 |
| | | | | Diluted net income per common share: | | | | Net income | $ | 32,275,000 |
| | $ | 32,123,000 |
| Income allocated to participating securities | (438,025 | ) | | (360,140 | ) | Net income available to common shareholders | $ | 31,836,975 |
| | $ | 31,762,860 |
| | | | | Diluted net income per common share | $ | 0.54 |
| | $ | 0.55 |
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