Exhibit 12.1

Computation of Ratio of Earnings to Fixed Charges



|                                                                                               |  |                                  |        |   |      |   |        |      |  |   |        |   |  |      |        |   |  |   |        |  
|---------------------------------------------------------------------------------------------- |  | -------------------------------- | ------ | - | ---- | - | ------ | ---- |  | - | ------ | - |  | ---- | ------ | - |  | - | ------ | -
|                                                                                               |  | 2007                             |        |   | 2006 |   |        | 2005 |  |   | 2004   |   |  | 2003 |       
|                                                                                               |  | (in thousands, except for ratio) |       
|Computation of Earnings                                                                        |  |                                  |        |   |      |   |        |      |  |   |        |   |  |      |        |   |  |   |        |  
|Net (loss) earnings from continuing operations before taxes, minority interest and equity loss |  | $                                | (7,196 | ) |      | $ | 12,775 |      |  | $ | 10,645 |   |  | $    | 21,669 |   |  | $ | 13,807 |  
|Add: fixed charges                                                                             |  |                                  | 20,428 |   |      |   | 7,783  |      |  |   | 4,621  |   |  |      | 5,138  |   |  |   | 4,099  |  
|Add: amortization of capitalized interest                                                      |  |                                  | 297    |   |      |   | 456    |      |  |   | 511    |   |  |      | 488    |   |  |   | 451    |  
|Less: capitalized interest                                                                     |  |                                  | (164   | ) |      |   | (232   | )    |  |   | (158   | ) |  |      | (258   | ) |  |   | (525   | )
|                                                                                               |  |                                  |        |   |      |   |        |      |  |   |        |   |  |      |        |   |  |   |        |  
|Total earnings                                                                                 |  | $                                | 13,365 |   |      | $ | 20,782 |      |  | $ | 15,619 |   |  | $    | 27,037 |   |  | $ | 17,832 |  
|                                                                                               |  |                                  |        |   |     
|Computation of Fixed Charges                                                                   |  |                                  |        |   |      |   |        |      |  |   |        |   |  |      |        |   |  |   |        |  
|Interest expense and capitalized interest                                                      |  | $                                | 15,718 |   |      | $ | 4,010  |      |  | $ | 1,627  |   |  | $    | 1,863  |   |  | $ | 2,397  |  
|Amortized premiums, discounts & capitalized expenses related to indebtedness                   |  |                                  | 782    |   |      |   | 1,907  |      |  |   | 1,399  |   |  |      | 1,943  |   |  |   | 548    |  
|Estimate of interest within rental expense                                                     |  |                                  | 3,928  |   |      |   | 1,866  |      |  |   | 1,595  |   |  |      | 1,332  |   |  |   | 1,154  |  
|                                                                                               |  |                                  |        |   |      |   |        |      |  |   |        |   |  |      |        |   |  |   |        |  
|Total fixed charges                                                                            |  | $                                | 20,428 |   |      | $ | 7,783  |      |  | $ | 4,621  |   |  | $    | 5,138  |   |  | $ | 4,099  |  
|Ratio of earnings to fixed charges                                                             |  |                                  | 0.65   |   |      |   | 2.67   |      |  |   | 3.38   |   |  |      | 5.26   |   |  |   | 4.35   |  
|                                                                                               |  |                                  |        |   |      |   |        |      |  |   |        |   |  |      |        |   |  |   |        |