Exhibit 11.1 EARNINGS PER SHARE PRIMARY COMPUTATION Years Ended June 30, 1997, 1996 and 1995 ($ in millions, except share and per share amounts) 1997 1996 1995 ------ ------ ------- Basis for computation of earnings per common and common equivalent shares: Earnings from continuing operations $185.7 $153.7 $136.7 Deduct dividends on 4 Percent cumulative preferred stock (.4) (.4) (.4) ------- ------- ------- Earnings from continuing operations available for common shareholders 185.3 153.3 136.3 Discontinued operations 4.4 58.2 43.6 ------- ------- ------- Available for common shareholders $189.7 $211.5 $179.9 ======= ======= ======= Number of common and common equivalent shares: Weighted average shares outstanding 73,837,424 75,183,729 76,687,154 Shares issuable upon exercise of stock options, net of shares assumed to be repurchased 1,222,803 1,159,663 770,960 ---------- ---------- ---------- 75,060,227 76,343,392 77,458,114 ========== ========== ========== Earnings per common and common equivalent share: Continuing operations $2.47 $2.01 $1.76 Discontinued operations .06 .76 .56 ------ ------ ------ Net earnings $2.53 $2.77 $2.32 ====== ====== ======