EXHIBIT 11 EARNINGS PER SHARE YEARS ENDED DECEMBER 31 ------------------------------------- 1995 1994 1993 ------------ ----------- ---------- Earnings before income taxes, extraordinary items and cumulative effect of accounting change.......... $ 82,994,000 $61,991,000 $31,836,000 Income taxes......................................... 31,620,000 24,176,000 12,416,000 ------------ ----------- ----------- Earnings before extraordinary items and cumulative effect of accounting change......................... 51,374,000 37,815,000 19,420,000 Extraordinary items, net of income taxes............. (717,000) - (619,000) Cumulative effect of accounting change............... - - 1,500,000 ------------ ----------- ----------- Net earnings......................................... 50,657,000 37,815,000 20,301,000 Conversion of partner's interest into common stock... (46,364,000) - - ------------ ----------- ----------- Net earnings available to shareholders............... $ 4,293,000 $37,815,000 $20,301,000 ------------ ----------- ----------- ------------ ----------- ----------- Weighted average common and common equivalent shares. 51,977,000 48,624,000 47,306,000 ------------ ----------- ----------- ------------ ----------- ----------- Earnings per common and common equivalent share: Earnings after conversion of partner's interest into common stock and before extraordinary items and cumulative effect of accounting change........ $ .10 $ .78 $ .41 Extraordinary items, net of income taxes.......... (.02) - (.01) Cumulative effect of accounting change............. - - .03 ------------ ----------- ----------- Net earnings available to shareholders............. $ .08 $ .78 $ .43 ------------ ----------- ----------- ------------ ----------- ----------- Weighted average common shares-assuming full dilution............................................ 52,020,000 48,687,000 47,480,000 ------------ ----------- ----------- ------------ ----------- ----------- Earnings after conversion of partner's interest into common stock and before extraordinary items and cumulative effect of accounting change.. $ .10 $ .78 $ .41 Extraordinary items, net of income taxes........... (.02) - (.01) Cumulative effect of accounting change............. - - .03 ------------ ----------- ----------- Net earnings available to shareholders............. $ .08 $ .78 $ .43 ------------ ----------- ----------- ------------ ----------- -----------