Exhibit 11 Continental Medical Systems, Inc. and Subsidiaries Computation of Earnings per Share Three Months Ended Nine Months Ended March 31, March 31, 1994 1993 (1) 1994 1993 (1) ------------------- ------------------ (In thousands, except per share data) Primary: Shares outstanding at beginning of period 37,550 36,800 36,935 35,560 Weighted average shares issued pursuant to: Employee benefit plans 74 7 146 506 Acquisition agreements 22 307 125 Dilutive effect of outstanding stock options 494 574 338 1,081 Contingent shares issuable pursuant to acquisition agreements 401 612 455 641 ------- ------- ------- ------- Weighted average number of shares and equivalent shares outstanding 38,519 38,015 38,181 37,913 ======= ======= ======= ======= Net income $ 4,170 $ 7,764 $15,531 $26,855 Additional goodwill amortization from contingent shares issuable pursuant to acquisition agreements (44) (44) (132) (138) ------- ------- ------- ------- Adjusted net income used in primary calculation $ 4,126 $ 7,720 $15,399 $26,717 ======= ======= ======= ======= Net income per share and equivalent share $0.11 $0.20 $0.40 $0.70 ======= ======= ======= ======= Fully Diluted: Weighted average number of shares and equivalent shares used in primary calculation 38,519 38,015 38,181 37,913 Additional dilutive effect of stock options 113 Additional dilutive effect of contingent shares issuable pursuant to acquisition agreements 82 82 Assumed conversion of dilutive convertible debentures 234 234 234 234 ------- ------- ------- ------- Fully diluted weighted average number of shares and equivalent shares outstanding 38,835 38,249 38,610 38,147 ======= ======= ======= ======= Net income used in primary calculation $ 4,126 $ 7,720 $15,399 $26,717 Adjustment for interest expense, net of related income tax benefits 23 39 69 116 ------- ------- ------- ------- Adjusted net income used in fully diluted calculation $ 4,149 $ 7,759 $15,468 $26,833 ======= ======= ======= ======= Fully diluted net income per share and equivalent share $0.11 $0.20 $0.40 $0.70 ======= ======= ======= ======= (1) On February 23, 1993, CMS acquired Kron in a business combination accounted for as a pooling of interests. Accordingly, all share data at the beginning of the period has been restated to include the shares issued in the combination, and all financial results have been restated to include the financial results of Kron prior to February 23, 1993.