1 EXHIBIT 11 COMPUTATION OF EARNINGS PER COMMON SHARE EXHIBIT 11 (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS) THREE MONTHS ENDED SIX MONTHS ENDED JUNE 30, JUNE 30, 1997 1996 1997 1996 ------- ------- ------- ------- PRIMARY EARNINGS Income before extraordinary items .............. $12,940 $ 7,163 $21,615 $14,955 Extraordinary items ............................ 53 27 75 176 ------- ------- ------- ------- Net Earnings ............................ $12,993 $ 7,190 $21,690 $15,131 ======= ======= ======= ======= Shares: Weighted average number of common shares outstanding ............... 41,844 33,208 41,756 33,003 ======= ======= ======= ======= Primary earnings per common share: Income before extraordinary items .......... $ 0.31 $ 0.22 $ 0.52 $ 0.45 Extraordinary items ........................ -- -- -- 0.01 ------- ------- ------- ------- Net Earnings ............................ $ 0.31 $ 0.22 $ 0.52 $ 0.46 ======= ======= ======= ======= FULLY DILUTED EARNINGS Income before extraordinary items .............. $12,940 $ 7,163 $21,615 $14,955 Net interest expense related to convertible debt 979 975 1,956 1,950 ------- ------- ------- ------- Income before extraordinary items as adjusted ................................ 13,919 8,138 23,571 16,905 Extraordinary items ............................ 53 27 75 176 ------- ------- ------- ------- Net earnings as adjusted ................ $13,971 $ 8,165 $23,646 $17,081 ======= ======= ======= ======= Shares: Weighted average number of common shares outstanding ...................... 41,974 33,303 41,943 33,272 Assuming conversion of convertible debt .... 7,188 7,188 7,188 7,188 ------- ------- ------- ------- Weighted average number of common shares outstanding as adjusted .......... 49,162 40,491 49,130 40,460 ======= ======= ======= ======= Fully diluted earnings per common share: Income before extraordinary items .......... $ 0.28 $ 0.20 $ 0.48 $ 0.42 Extraordinary items ........................ -- -- -- -- ------- ------- ------- ------- Net earnings ............................ $ 0.28 $ 0.20 $ 0.48 $ 0.42 ======= ======= ======= =======