Exhibit 12 STATEMENT SETTING FORTH THE COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES Years Ended March 31, (In thousands) 1995 1994 1993 1992 1991 Income before income taxes $145,305 $ 3,663 $146,579 $ 74,356 $115,959 Add fixed charges 29,277 18,906 17,125 10,409 6,409 Earnings (as defined) $174,582 $ 22,569 $163,704 $ 84,765 $122,368 Fixed charges Interest expense $ 21,557 $ 14,305 $ 13,777 $ 7,763 $ 5,205 Amortization of debt issuance costs 1,458 577 586 - - Estimated interest component of rent expenses 6,262 4,024 2,762 2,646 1,204 Total fixed charges $ 29,277 $ 18,906 $ 17,125 $ 10,409 $ 6,409 Ratio of earnings to fixed charges 6.0 1.2 9.6 8.1 19.1