EXHIBIT 12 STATEMENT REGARDING COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (Dollars in thousands) - ------------------------------------------------------------------------------ FISCAL YEARS ENDED JUNE 30, - ------------------------------------------------------------------------------ 1993 1994 1995 1996 1997 - ------------------------------------------------------------------------------ HISTORICAL - ------------------------------------------------------------------------------ Registrant's pretax income $20,055 $22,105 $26,220 $30,226 $26,940 from continuing operations - ------------------------------------------------------------------------------ Interest 2,473 2,455 2,522 2,608 8,704 - ------------------------------------------------------------------------------ Amortization of debt 9 9 9 9 394 expense and discount on premium - ------------------------------------------------------------------------------ Total fixed charges 2,482 2,464 2,531 2,617 9,098 - ------------------------------------------------------------------------------ Total earnings and fixed $22,537 $24,569 $28,751 $32,843 $36,038 charges - ------------------------------------------------------------------------------ Preferred stock dividends 1,080 - ------------------------------------------------------------------------------ Total fixed charges and $ 2,482 $ 2,464 $ 2,531 $ 2,617 $10,178 preferred stock dividends - ------------------------------------------------------------------------------ Ratio 9.1x 10.0x 11.4x 12.5x 3.5x - ------------------------------------------------------------------------------ PRO FORMA - ------------------------------------------------------------------------------ Pretax income from $11,106 continuing operations - ------------------------------------------------------------------------------ Interest 25,015 - ------------------------------------------------------------------------------ Total earnings and fixed 36,121 charges - ------------------------------------------------------------------------------ Preferred stock dividends 228 - ------------------------------------------------------------------------------ Total fixed charges 25,243 - ------------------------------------------------------------------------------ Pro forma ratio 1.4x - ------------------------------------------------------------------------------ - ------------------------------------------------------------------------------ - ------------------------------------------------------------------------------