EXHIBIT 11 SERVICEMASTER LIMITED PARTNERSHIP EXHIBIT REGARDING DETAIL OF INCOME PER SHARE COMPUTATION (In thousands, except per share data) Years Ended December 31 ----------------------- 1995 1994 1993 ---- ---- ---- Number of shares used in computing income per share and equivalent shares-- Shares outstanding on weighted average basis. . . . . . . . . . . . . . . . . . . 77,150 75,748 75,235 Equivalent shares-- Options and subscriptions outstanding. . . . . . . 2,163 1,690 1,611 ------ ------ ------ Total weighted average and equivalent shares 79,313 77,438 76,846 ====== ====== ====== Primary earnings per share. . . . . . . . . . . . . . . $ 2.17 $ 1.81 $ 1.90 ====== ====== ====== Net income. . . . . . . . . . . . . . . . . . . . . . . $172,019 $139,883 $145,947 Interest on convertible debentures. . . . . . . . . . . 1,901 2,078 2,539 ------ ------ ------ Adjusted net income . . . . . . . . . . . . . . . . . . $173,920 $141,961 $148,486 ======== ======== ======== Weighted average number of common shares outstanding. . . . . . . . . . . . . . . . . . 80,081 77,656 77,466 Other potentially dilutive securities . . . . . . . . . 1,443 1,448 2,037 ------ ------ ------ Total weighted average number of shares . . . . . . . . . . . . . . . . . . . . . . 81,524 79,104 79,503 ====== ====== ====== Fully diluted earnings per share. . . . . . . . . . . . $ 2.13 $ 1.79 $ 1.87 ====== ====== ======