EXHIBIT 11 - STATEMENT RE: COMPUTATION OF PER SHARE EARNINGS (In thousands, except per share data) For the Quarter For the Six Months Ended March 31, Ended March 31, ------------------- ------------------ 1996 1997 1996 1997 ------- ------- ------- ------- Net income....................................... $ 6,399 $29,870 $11,084 $48,181 Less: Accrual of preferred stock dividends....... (18) - (66) - ------- ------- ------- ------- Net income applicable to common stock............ $ 6,381 $29,870 $11,018 $48,181 ------- ------- ------- ------- ------- ------- ------- ------- Average common shares outstanding................ 24,633 33,396 22,432 30,511 Common stock equivalents: Warrants and options............................. 444 1,526 359 1,436 ------- ------- ------- ------- Weighted average common and common equivalent shares outstanding................... 25,077 34,922 22,791 31,947 ------- ------- ------- ------- ------- ------- ------- ------- Primary net income per share of common stock..... $ 0.25 $ 0.86 $ 0.48 $ 1.51 ------- ------- ------- ------- ------- ------- ------- ------- Net income:...................................... $ 6,399 $29,870 $11,084 $48,181 Add: Interest from convertible debt.............. - 1,267 - 3,034 Less: Accrual of preferred stock dividends....... (18) - (66) - Tax effect on convertible debt interest...... - (482) - (1,153) ------- ------- ------- ------- Net income applicable to common stock............ $ 6,381 $30,655 $11,018 $50,062 ------- ------- ------- ------- ------- ------- ------- ------- Average common shares outstanding................ 24,633 33,396 22,432 30,511 Common stock equivalents: Warrants and options............................. 444 1,526 359 1,528 Convertible subordinated debts................... - 4,291 - 5,116 ------- ------- ------- ------- Weighted average fully diluted common and common equivalent shares outstanding............ 25,077 39,213 22,791 37,155 ------- ------- ------- ------- ------- ------- ------- ------- Fully diluted net income per share of common stock........................................... $ 0.25 $ 0.78 $ 0.48 $ 1.35 ------- ------- ------- ------- ------- ------- ------- ------- 15