Exhibit 12
Ratio of Earnings to Combined Fixed Charges and Preferred Stock Dividends
Six Months
(in thousands) Year Ended September 30, Ended
-------------------------------------------------------- March 31,
2001 2002 2003 2004 2005 2006
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Fixed Charges Computation
Interest expensed and capitalized $ 145 $ 417 $ 12,060 $ 13,857 $ 49,043 $ 17,771
Amortized premiums, discounts, and capitalized
expenses related to indebtedness 79 136 3,857 6,031 10,634 1,626
Reasonable approximation of interest within rental expense 20 72 1,139 1,462 2,433 1,474
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Total Fixed Charges 244 625 17,056 21,350 62,110 20,871
Preferred equity dividends 113 - - - - -
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Total Fixed Charges and Preferred Equity Dividends $ 357 $ 625 $ 17,056 $ 21,350 $ 62,110 $ 20,871
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Earnings Computation
Pre-tax income from continuing operations before adjustment
for minority interests in consolidated subsidiaries or
income or loss from equity investees $ 14,468 $ 40,236 $ 60,081 $105,107 $163,808 $ 64,846
Plus
Fixed charges 357 625 17,056 21,350 62,110 20,871
Minus
Interest capitalized - - 230 435 464 359
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Total Earnings 14,825 $ 40,861 $ 76,907 $126,022 $225,454 $ 85,358
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Ratio of Earnings to Combined Fixed Charges and
Preferred Stock Dividends 41.53 65.38 4.51 5.90 3.63 4.09