EXHIBIT 11 COMPUTATION OF SHARES USED IN COMPUTING EARNINGS PER SHARE Year Ended December 31, 1994 1993 1992 ---------------------------------- Primary: Weighted Average Shares Outstanding 39,073,000 37,707,000 33,768,000 Common Stock Equivalents 781,000 867,000 771,000 ---------------------------------- Shares Used 39,854,000 38,574,000 34,539,000 ================================== Fully diluted earnings per share are essentially the same as primary earnings per share for all periods presented.