EXHIBIT 12.1 COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (in millions) <Table> <Caption> Three Months Ended Nine Months Fiscal Years Ended March 31, March 31, 2002 Ended ------------------------------------------------------ (unaudited) Dec. 31, 2001 2001 2000 1999 1998 -------------- ------------- ----------- ----------- ----------- ----------- Earnings: Income (loss) before income taxes $ (11.4) $ (40.5) $ (116.3) $ 262.9 $ 296.4 $ 165.9 Net interest expense 7.0 21.7 28.9 20.4 20.4 20.9 Interest portion of rental expense 2.0 4.7 3.8 3.2 3.7 4.6 ----------- ----------- ----------- ----------- ----------- ----------- $ (2.4) $ (14.1) $ (83.6) $ 286.5 $ 320.5 $ 191.4 =========== =========== =========== =========== =========== =========== Fixed Charges: Net interest expense $ 7.0 $ 21.7 $ 28.9 $ 20.4 $ 20.4 $ 20.9 Interest portion of rental expense 2.0 4.7 3.8 3.2 3.7 4.6 ----------- ----------- ----------- ----------- ----------- ----------- $ 9.0 $ 26.4 $ 32.7 $ 23.6 $ 24.1 $ 25.5 =========== =========== =========== =========== =========== =========== Ratio of earnings to fixed charges (0.27) (0.53) (2.56) 12.16 13.30 7.51 </Table>