**Exhibit 12**

Ratio of Earnings to Combined Fixed Charges andPreferred Stock Dividends
| ** **                                                                                                                                                | ** ** | ** **                                  | ** ** | ** **        | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | **Nine**              | ** ** |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------|------------|---------------------------------------------|------------|-------------------|------------|------------|------------|------------|------------|------------|------------|-----------------------|------------|
| ** **                                                                                                                                                | ** ** | ** **                                  | ** ** | ** **        | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | **Months Ended** | ** ** |
| ** **                                                                                                                                                | ** ** | **Year Ended September 30,** | ** ** | **June 30,** | ** ** |
| **(in thousands)**                                                                                                                                   | ** ** | **2002**                                    | ** ** | **2003**          | ** ** | **2004**   | ** ** | **2005**   | ** ** | **2006**   | ** ** | **2007**              | ** ** |
| **Fixed Charges Computation**                                                                                                                             | ** ** | ** **                                  | ** ** | ** **        | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** **            | ** ** |
| Interest  expensed and capitalized                                                                                                                        |       | $                                           | 417        |              | $          | 12,060     |       | $          | 13,857     |       | $          | 49,043                |       | $ | 35,119 |   | $ | 22,712 |   |
| Amortized  premiums, discounts, and capitalized expenses related to indebtedness                                                                          |       | 136                                         |       | 3,857             |       | 6,031      |       | 10,634     |       | 2,843      |       | 3,987                 |       |
| Reasonable  approximation of interest within rental expense                                                                                               |       | 72                                          |       | 1,139             |       | 1,462      |       | 2,433      |       | 3,092      |       | 2,503                 |       |
|                                                                                                                                                      |       |                                        |       |              |       |       |       |       |       |       |       |                  |       |
| **Total Fixed Charges and  Preferred Equity Dividends**                                                                                                   |       | $                                           | 625        |              | $          | 17,056     |       | $          | 21,350     |       | $          | 62,110                |       | $ | 41,054 |   | $ | 29,202 |   |
|                                                                                                                                                      |       |                                        |       |              |       |       |       |       |       |       |       |                  |       |
| **Earnings Computation**                                                                                                                                  | ** ** | ** **                                  | ** ** | ** **        | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** **            | ** ** |
| Pre-tax income from  continuing operations before adjustment for minority interests in  consolidated subsidiaries or income or loss from equity investees |       | $                                           | 40,236     |              | $          | 60,081     |       | $          | 105,107    |       | $          | 163,808               |       | $ | 137,816 |   | $ | 117,259 |   |
| Plus                                                                                                                                                      |       |                                        |       |              |       |       |       |       |       |       |       |                  |       |
| Fixed charges                                                                                                                                             |       | 625                                         |       | 17,056            |       | 21,350     |       | 62,110     |       | 41,054     |       | 29,202                |       |
| Minus                                                                                                                                                     |       |                                        |       |              |       |       |       |       |       |       |       |                  |       |
| Interest  capitalized                                                                                                                                     |       | —                                      |       | 230               |       | 435        |       | 464        |       | 1,027      |       | 678                   |       |
| **Total Earnings**                                                                                                                                        |       | $                                           | 40,861     |              | $          | 76,907     |       | $          | 126,022    |       | $          | 225,454               |       | $ | 177,843 |   | $ | 145,783 |   |
|                                                                                                                                                      |       |                                        |       |              |       |       |       |       |       |       |       |                  |       |
| **Ratio of Earnings to Combined Fixed Charges and  Preferred Stock Dividends**                                                                            |       | 65.38                                       |       | 4.51              |       | 5.90       |       | 3.63       |       | 4.33       |       | 4.99                  |       |

 

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