Exhibit 11.3 EARNINGS PER SHARE PRIMARY COMPUTATION ($ in millions except share and per share amounts) Quarter ended March 31 1994 1993 Basis for computation of earnings per common and common equivalent shares: Earnings from continuing operations $42.9 $30.5 Deduct dividends on 4% preferred stock (.1) (.1) ------- ------- Earnings from continuing operations available to common shareholders 42.8 30.4 Discontinued operations (.6) (.9) ------- ------- Net earnings available to common shareholders $42.2 $29.5 ======= ======= Number of shares: Weighted average shares outstanding 76,909,643 76,425,696 Shares issuable upon exercise of stock options, net of shares assumed to be repurchased 980,825 780,713 ---------- ---------- 77,890,468 77,206,409 ========== ========== Earnings per common share: Continuing operations $.55 $.39 Discontinued operations (.01) (.01) ----- ----- Net earnings $.54 $.38 ===== =====