EXHIBIT 11 EARNINGS PER SHARE Years Ended December 31 ----------------------------------------- 1996 1995 1994 ----------- ----------- ----------- Earnings before income taxes and extraordinary items......... $96,379,000 $82,994,000 $61,991,000 Income taxes..................... 35,660,000 31,620,000 24,176,000 ----------- ----------- ----------- Earnings before extraordinary items........................... 60,719,000 51,374,000 37,815,000 Extraordinary items, net of income taxes.................... (524,000) (717,000) -- ----------- ----------- ----------- Net earnings..................... 60,195,000 50,657,000 37,815,000 Conversion of partner's interest into common stock............... -- (46,364,000) -- ----------- ----------- ----------- Net earnings available to shareholders.................... $60,195,000 $4,293,000 $37,815,000 ----------- ----------- ----------- ----------- ----------- ----------- Weighted average common and common equivalent shares, as restated..................... 80,949,000 77,966,000 72,936,000 ----------- ----------- ----------- ----------- ----------- ----------- Earnings per common and common equivalent share: Earnings after conversion of partner's interest into common stock and before extraordinary items.......................... $ .75 $ .07 $ .52 Extraordinary items, net of income taxes................... (.01) (.01) -- ----------- ----------- ----------- Net earnings available to shareholders................... $ .74 $ .06 $ .52 ----------- ----------- ----------- ----------- ----------- ----------- Weighted average common shares-assuming full dilution, as restated..................... 81,003,000 78,030,000 73,031,000 ----------- ----------- ----------- ----------- ----------- ----------- Earnings after conversion of partner's interest into common stock and before extraordinary items change.................. $ .75 $ .07 $ .52 Extraordinary items, net of income taxes................... (.01) (.01) -- ----------- ----------- ----------- Net earnings available to shareholders................... $ .74 $ .06 $ .52 ----------- ----------- ----------- ----------- ----------- -----------