**Exhibit 12**

Ratio of Earnings toCombined Fixed Charges and Preferred Stock Dividends
| **(in thousands)**                                                                                                                                   | ** ** | **Year Ended September 30,** | ** ** | **Six  Months Ended  March 31,** | ** ** |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------|------------|---------------------------------------------|------------|--------------------------------------------|------------|
| ** **                                                                                                                                                | ** ** | **2002**                                    | ** ** | **2003**                                   | ** ** | **2004** | ** ** | **2005** | ** ** | **2006** | ** ** | **2007** | ** ** |
| **Fixed Charges Computation**                                                                                                                             |       |                                        |       |                                       |       |   |   |   |   |   |   |   |   |
| Interest  expensed and capitalized                                                                                                                        |       | $                                           | 417        |                                       | $          | 12,060 |   | $ | 13,857 |   | $ | 49,043 |   | $ | 35,119 |   | $ | 16,036 |   |
| Amortized  premiums, discounts, and capitalized expenses related to indebtedness                                                                          |       | 136                                         |       | 3,857                                      |       | 6,031 |   | 10,634 |   | 2,843 |   | 3,258 |   |
| Reasonable  approximation of interest within rental expense                                                                                               |       | 72                                          |       | 1,139                                      |       | 1,462 |   | 2,433 |   | 3,092 |   | 1,631 |   |
|                                                                                                                                                      |       |                                        |       |                                       |       |   |   |   |   |   |   |   |   |
| **Total Fixed Charges and  Preferred Equity Dividends**                                                                                                   |       | $                                           | 625        |                                       | $          | 17,056 |   | $ | 21,350 |   | $ | 62,110 |   | $ | 41,054 |   | $ | 20,925 |   |
|                                                                                                                                                      |       |                                        |       |                                       |       |   |   |   |   |   |   |   |   |
| **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 |   | $ | 57,793 |   |
| Plus                                                                                                                                                      |       |                                        |       |                                       |       |   |   |   |   |   |   |   |   |
| Fixed charges                                                                                                                                             |       | 625                                         |       | 17,056                                     |       | 21,350 |   | 62,110 |   | 41,054 |   | 20,925 |   |
| Minus                                                                                                                                                     |       |                                        |       |                                       |       |   |   |   |   |   |   |   |   |
| Interest  capitalized                                                                                                                                     |       | —                                      |       | 230                                        |       | 435 |   | 464 |   | 1,027 |   | 489 |   |
| **Total Earnings**                                                                                                                                        |       | $                                           | 40,861     |                                       | $          | 76,907 |   | $ | 126,022 |   | $ | 225,454 |   | $ | 177,843 |   | $ | 78,229 |   |
|                                                                                                                                                      |       |                                        |       |                                       |       |   |   |   |   |   |   |   |   |
| **Ratio of Earnings to Combined Fixed Charges and  Preferred Stock Dividends**                                                                            |       | 65.38                                       |       | 4.51                                       |       | 5.90 |   | 3.63 |   | 4.33 |   | 3.74 |   |

 

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