EXHIBIT 11 -- STATEMENT RE: COMPUTATION OF PER SHARE EARNINGS Year Ended December 31 (in thousands, except per share data) 2000 1999 1998 - -------------------------------------------------------------------------------------------- (Restated) Basic: - ------ Average shares outstanding 27,489 28,010 28,081 ============= ============ ============ Net Income $ 39,705 $ 44,150 $ 39,030 ============= ============ ============ Per Share Amount $ 1.44 $ 1.58 $ 1.39 ============= ============ ============ Diluted: - -------- Average shares outstanding 27,489 28,010 28,081 Net effect of dilutive stock options 595 847 1,016 based on the treasury stock method using the average market price or quarter end price, whichever is greater ------------- ------------ ------------ Total Shares Outstanding 28,084 28,857 29,097 ============= ============ ============ Net Income $ 39,705 $ 44,150 $ 39,030 ============= ============ ============ Per Share Amount $ 1.41 $ 1.53 $ 1.34 ============= ============ ============