EXHIBIT 11 STATEMENT RE COMPUTATION OF PER SHARE EARNINGS (in thousands, except per-share data) FOR THE YEARS ENDED DECEMBER 31, 1995 1994 1993 Net income used for earnings per share calculation $105,333 $ 66,196 $ 56,115 Earnings Per Common Share: Weighted average outstanding shares (1) 133,331 129,570 127,970 Net effect of outstanding options (1) 5,565 5,040 7,232 Weighted average common and common equivalent shares outstanding (1) 138,896 134,610 135,202 Net income per share (1) $ 0.76 $ 0.49 $ 0.42 Fully diluted computation not presented since such amounts differ by less than 3 percent of the net income per share amounts shown above. Note: (1) Share and per-share information applicable to prior periods has been restated to reflect a two-for-one stock split (effected in the form of a stock dividend) which was effective June 26, 1995.