EXHIBIT 12 COMPUTATION OF RATIOS (in thousands) September 30, 1998 1997 1996 ---- ---- ---- Income from continuing operations before income taxes $40,740 $14,931 $ 7,353 Fixed charges 17,464 5,273 872 ------ ------ ------ Total $58,204 $20,204 $ 8,225 Earnings to fixed charges(1) 3.33 3.83 9.43 (1) Calculated by dividing income from continuing operations before income taxes, extraordinary gains and cumulative effect of a change in accounting principle plus fixed charges by fixed charges. Fixed charges represent total interest expense, including amortization of debt expense and discount relating to indebtedness.