Exhibit 12

Ratio of Earnings to Combined Fixed Charges and Preferred Stock Dividends



|                                                                                                                                                        |      |                          |         |  |                              |         |      |   |         |  |   |        |  |   |          |   |  |   |          |  
|------------------------------------------------------------------------------------------------------------------------------------------------------- | ---- | ------------------------ | ------- |  | ---------------------------- | ------- | ---- | - | ------- |  | - | ------ |  | - | -------- | - |  | - | -------- | -
|                                                                                                                                                        |      |                          |         |  | Six MonthsEndedMarch
31,2009 |        
|(in thousands)                                                                                                                                          |      | Year Ended September 30, |         | 
|                                                                                                                                                        | 2004 |                          | 2005    |  | 2006                         |         | 2007 |   | 2008    |  |  
|Fixed Charges Computation                                                                                                                               |      |                          |         |  |                              |         |      |   |         |  |   |        |  |   |          |   |  |   |          |  
|Interest expensed and capitalized (1)                                                                                                                   |      | $                        | 13,857  |  | $                            | 49,043  |      | $ | 35,119  |  | $ | 29,671 |  | $ | 23,205   |   |  | $ | 15,191   |  
|Amortized premiums, discounts, and capitalized expenses related to indebtedness                                                                         |      |                          | 6,031   |  |                              | 10,634  |      |   | 2,843   |  |   | 5,318  |  |   | 2,773    |   |  |   | 2,919    |  
|Reasonable approximation of interest within rental expense                                                                                              |      |                          | 1,462   |  |                              | 2,433   |      |   | 3,092   |  |   | 3,440  |  |   | 3,499    |   |  |   | 1,797    |  
|                                                                                                                                                        |      |                          |         |  |                              |         |      |   |         |  |   |        |  |   |          |   |  |   |          |  
|Total Fixed Charges and Preferred Equity Dividends                                                                                                      |      | $                        | 21,350  |  | $                            | 62,110  |      | $ | 41,054  |  | $ | 38,429 |  | $ | 29,477   |   |  | $ | 19,907   |  
|                                                                                                                                                        |      |                          |         |  |                              |         |      |   |         |  |   |        |  |   |          |   |  |   |          |  
|                                                                                                                                                        |      |                          |         |  |                              |        
|Earnings Computation                                                                                                                                    |      |                          |         |  |                              |         |      |   |         |  |   |        |  |   |          |   |  |   |          |  
|Pre-tax income from continuing operations before adjustment for minority interests in consolidated subsidiaries or income or loss from equity
investees |      | $                        | 105,107 |  | $                            | 163,808 |      | $ | 137,816 |  | $ | 59,236 |  | $ | (161,874 | ) |  | $ | (480,534 | )
|Plus                                                                                                                                                    |      |                          |         |  |                              |         |      |   |         |  |   |        |  |   |          |   |  |   |          |  
|Fixed charges                                                                                                                                           |      |                          | 21,350  |  |                              | 62,110  |      |   | 41,054  |  |   | 38,429 |  |   | 29,477   |   |  |   | 19,907   |  
|Minus                                                                                                                                                   |      |                          |         |  |                              |         |      |   |         |  |   |        |  |   |          |   |  |   |          |  
|Interest capitalized                                                                                                                                    |      |                          | 435     |  |                              | 464     |      |   | 1,027   |  |   | 784    |  |   | 894      |   |  |   | 572      |  
|                                                                                                                                                        |      |                          |         |  |                              |         |      |   |         |  |   |        |  |   |          |   |  |   |          |  
|Total Earnings                                                                                                                                          |      | $                        | 126,022 |  | $                            | 225,454 |      | $ | 177,843 |  | $ | 96,881 |  | $ | (133,291 | ) |  | $ | (461,199 | )
|                                                                                                                                                        |      |                          |         |  |                              |         |      |   |         |  |   |        |  |   |          |   |  |   |          |  
|                                                                                                                                                        |      |                          |         |  |                              |        
|Ratio of Earnings to Combined Fixed Charges and Preferred Stock Dividends                                                                               |      |                          | 5.90    |  |                              | 3.63    |      |   | 4.33    |  |   | 2.52   |  |   | N/A      |   |  |   | N/A      |  



|(1) | Interest expense associated with unrecognized tax benefits is included in income tax expense, not with interest expense.
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