Exhibit 12

Ratio of Earnings to Combined Fixed Charges and Preferred Stock Dividends

|                                                                                                                                                        |  |                          |         |      |                          |         |  |      |        |  |      |          |   |      |   |          |   |  |   |         |  
|------------------------------------------------------------------------------------------------------------------------------------------------------- |  | ------------------------ | ------- | ---- | ------------------------ | ------- |  | ---- | ------ |  | ---- | -------- | - | ---- | - | -------- | - |  | - | ------- | -
|(in thousands)                                                                                                                                          |  | Year Ended September 30, |         |      | Six Months EndedMarch 31 |        
|                                                                                                                                                        |  | 2005                     |         | 2006 |                          | 2007    |  | 2008 |        |  | 2009 |          |   | 2010 |  
|Fixed Charges Computation                                                                                                                               |  |                          |         |      |                          |         |  |      |        |  |      |          |   |      |   |          |   |  |   |         |  
|Interest expensed and capitalized (1)                                                                                                                   |  | $                        | 49,043  |      | $                        | 35,119  |  | $    | 29,671 |  | $    | 23,205   |   |      | $ | 34,458   |   |  | $ | 25,711  |  
|Amortized premiums, discounts, and capitalized expenses related to indebtedness                                                                         |  |                          | 10,634  |      |                          | 2,843   |  |      | 5,318  |  |      | 2,773    |   |      |   | 6,386    |   |  |   | 8,314   |  
|Reasonable approximation of interest within rental expense                                                                                              |  |                          | 2,433   |      |                          | 3,092   |  |      | 3,440  |  |      | 3,499    |   |      |   | 3,919    |   |  |   | 2,049   |  
|                                                                                                                                                        |  |                          |         |      |                          |         |  |      |        |  |      |          |   |      |   |          |   |  |   |         |  
|Total Fixed Charges and Preferred Equity Dividends                                                                                                      |  | $                        | 62,110  |      | $                        | 41,054  |  | $    | 38,429 |  | $    | 29,477   |   |      | $ | 44,763   |   |  | $ | 36,074  |  
|                                                                                                                                                        |  |                          |         |      |                          |         |  |      |        |  |      |          |   |      |   |          |   |  |   |         |  
|Earnings Computation                                                                                                                                    |  |                          |         |      |                          |         |  |      |        |  |      |          |   |      |   |          |   |  |   |         |  
|Pre-tax income from continuing operations before adjustment for minority interests in consolidated subsidiaries or income or loss
from equity investees |  | $                        | 163,808 |      | $                        | 137,816 |  | $    | 59,236 |  | $    | (161,874 | ) |      | $ | (502,272 | ) |  | $ | (51,840 | )
|Plus                                                                                                                                                    |  |                          |         |      |                          |         |  |      |        |  |      |          |   |      |   |          |   |  |   |         |  
|Fixed charges                                                                                                                                           |  |                          | 62,110  |      |                          | 41,054  |  |      | 38,429 |  |      | 29,477   |   |      |   | 44,763   |   |  |   | 36,074  |  
|Minus                                                                                                                                                   |  |                          |         |      |                          |         |  |      |        |  |      |          |   |      |   |          |   |  |   |         |  
|Interest capitalized                                                                                                                                    |  |                          | 464     |      |                          | 1,027   |  |      | 784    |  |      | 894      |   |      |   | 1,396    |   |  |   | 434     |  
|                                                                                                                                                        |  |                          |         |      |                          |         |  |      |        |  |      |          |   |      |   |          |   |  |   |         |  
|Total Earnings                                                                                                                                          |  | $                        | 225,454 |      | $                        | 177,843 |  | $    | 96,881 |  | $    | (133,291 | ) |      | $ | (458,905 | ) |  | $ | (16,200 | )
|                                                                                                                                                        |  |                          |         |      |                          |         |  |      |        |  |      |          |   |      |   |          |   |  |   |         |  
|Ratio of Earnings to Combined Fixed Charges and Preferred Stock Dividends                                                                               |  |                          | 3.63    |      |                          | 4.33    |  |      | 2.52   |  |      | N/A      | * |      |   | N/A      | * |  |   | N/A     | *



|* | Total earnings for these periods were less than zero dollars. The deficiency of earnings to fixed charges for the year ended September 30, 2008 was $162.8 million,
the deficiency of earnings to fixed charges for the year ended September 30, 2009 was $503.7 million and the deficiency of earnings to fixed charges for the six months ended March 31, 2010 was $52.3 million.
|- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

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