EXHIBIT 11 OGDEN CORPORATION AND SUBSIDIARIES DETAIL OF COMPUTATION OF EARNINGS APPLICABLE TO COMMON STOCK FOR THE THREE YEARS ENDED DECEMBER 31, 1996 - --------------------------------------------------------------------------------------- 1996 1995 1994 --------------------------------------------- NUMBER OF SHARES USED FOR COMPUTATION OF EARNINGS PER SHARE: Average number of common shares 49,663,000 49,385,000 43,610,000 ================================================ NUMBER OF SHARES USED FOR COMPUTATION OF EARNINGS PER SHARE ASSUMING FULL DILUTION: Average number of common shares 49,663,000 49,385,000 43,610,000 Issuable for options-treasury stock method Shares issuable for conversion of preferred stock 290,000 306,000 329,000 --------------------------------------------- Number of shares used for computation 49,953,000 49,691,000 43,939,000 ================================================ COMPUTATION OF EARNINGS APPLICABLE TO COMMON SHARES: Income from continuing operations before cumulative effect of change in accounting principle $ 64,534,000 $ 7,444,000 $ 67,826,000 Add (deduct): Adjustments arising from minority interest in consolidated subsidiaries 10,000 Dividends on Ogden preferred stock (161,000) (171,000) (184,000) --------------------------------------------- Consolidated income applicable to Ogden common stock $ 64,373,000 $ 7,273,000 $ 67,652,000 ================================================ Cumulative effect of change in accounting principles -- -- ($ 1,520,000) ============ COMPUTATION OF EARNINGS APPLICABLE TO COMMON SHARE ASSUMING FULL DILUTION: Income from continuing operations before cumulative effect of change in accounting principle $ 64,534,000 $ 7,444,000 $ 67,826,000 Add: Adjustments arising from minority interest in consolidated subsidiaries -- -- 10,000 --------------------------------------------- Consolidated income applicable to Ogden common stock $ 64,534,000 $ 7,444,000 $ 67,836,000 ================================================ Cumulative effect of change in accounting principles -- -- ($ 1,520,000) ============ Note: Current options result in less than three percent dilution with the expectation of continuing at less than three percent dilution. SCHEDULE II OGDEN CORPORATION AND SUBSIDIARIES VALUATION AND QUALIFYING ACCOUNTS FOR THE YEAR ENDED DECEMBER 31, 1996 - ----------------------------------------------------------------------------------------------------------------------------------- COLUMN A COLUMN B COLUMN C COLUMN D COLUMN E ADDITIONS -------------------------------- BALANCE AT CHARGED TO BALANCE AT BEGINNING COSTS AND CHARGED TO END OF DESCRIPTION OF PERIOD EXPENSES OTHER ACCOUNTS DEDUCTIONS PERIOD - ----------------------------------------------------------------------------------------------------------------------------------- Allowances deducted in the balance sheet from the assets to which they apply: Doubtful receivables - current $37,039,000 $10,442,000 $ 370,000(A) $ 9,576,000(B) $38,275,000 Doubtful receivables-noncurrent 6,000,000 6,000,000 Deferred charges on projects 3,670,000 4,968,000 8,638,000 -------------------------------------------------------------------------------- TOTAL $40,709,000 $21,410,000 $ 370,000 $ 9,576,000 $52,913,000 ================================================================================ Allowances not deducted: Estimated cost of disposal of discontinued operations $ 186,000 $ 186,000(C) Estimated cost of disposal of assets 14,993,000 14,130,000(C) $ 863,000 Provision for restructuring 6,110,000 $ 682,000 4,285,000(C) 2,507,000 Reserves relating to tax indemnification and other contingencies in connection with the sale of limited partnership interests in and related tax benefits of a waste-to-energy facility 3,000,000 3,000,000 Other 9,371,000 3,743,000 6,221,000(D) 6,893,000 -------------------------------------------------------------------------------- TOTAL $33,660,000 $ 4,425,000 $24,822,000 $13,263,000 ================================================================================ Notes: - ------ (A) Recoveries of amounts previously written off. (B) Write-offs of receivables considered uncollectible. (C) Payments charged to allowances. (D) Reversal to operating costs of provisions no longer required. SCHEDULE II OGDEN CORPORATION AND SUBSIDIARIES VALUATION AND QUALIFYING ACCOUNTS FOR THE YEAR ENDED DECEMBER 31, 1995 - ----------------------------------------------------------------------------------------------------------------------------------- COLUMN A COLUMN B COLUMN C COLUMN D COLUMN E ADDITIONS -------------------------------- BALANCE AT CHARGED TO BALANCE AT BEGINNING COSTS AND CHARGED TO END OF DESCRIPTION OF PERIOD EXPENSES OTHER ACCOUNTS DEDUCTIONS PERIOD - ----------------------------------------------------------------------------------------------------------------------------------- Allowances deducted in the balance sheet from the assets to which they apply: Doubtful receivables - current $32,783,000 $ 7,204,000 $ 64,000(A) $ 3,012,000(B) $37,039,000 Deferred charges on projects 7,000,000 3,670,000 7,000,000(C) 3,670,000 --------------------------------------------------------------------------------- TOTAL $39,783,000 $10,874,000 $ 64,000 $10,012,000 $40,709,000 ================================================================================= Allowances not deducted: Provision for consolidation of facilities $ 3,400,000 $ 2,850,000(D) 550,000(E) Estimated cost of disposal of discontinued operations 945,000 $ 4,510,000 5,269,000(E) $ 186,000 Estimated cost of disposal of assets 14,993,000 14,993,000 Provision for restructuring 8,200,000 2,090,000(E) 6,110,000 Reserves relating to tax indemnification and other contingencies in connection with the sale of limited partnership interests in and related tax benefits a of waste-to-energy facility 6,000,000 3,000,000(D) 3,000,000 Other 3,604,000 7,267,000 1,500,000(D) 9,371,000 --------------------------------------------------------------------------------- TOTAL $13,949,000 $34,970,000 $15,259,000 $33,660,000 ================================================================================= Notes: - ------ (A) Recoveries of amounts previously written off. (B) Write-offs of receivables considered uncollectible. (C) Write-offs of unsuccessful development costs. (D) Reversal to operating costs of provisions no longer required. (E) Payments charged to allowances. SCHEDULE II OGDEN CORPORATION AND SUBSIDIARIES VALUATION AND QUALIFYING ACCOUNTS FOR THE YEAR ENDED DECEMBER 31, 1994 - --------------------------------------------------------------------------------------------------------------------------------- COLUMN A COLUMN B COLUMN C COLUMN D COLUMN E ADDITIONS -------------------------------- BALANCE AT CHARGED TO BALANCE AT BEGINNING COSTS AND CHARGED TO END OF DESCRIPTION OF PERIOD EXPENSES OTHER ACCOUNTS DEDUCTIONS PERIOD - --------------------------------------------------------------------------------------------------------------------------------- Allowances deducted in the balance sheet from the assets to which they apply: Doubtful receivables - current $25,547,000 $ 5,869,000 $ 10,241,000(A) $9,047,000(D) $32,783,000 31,000(B) 142,000(C) Deferred charges on projects 750,000 5,650,000 1,350,000(B) 750,000(E) 7,000,000 ---------------------------------------------------------------------------------- TOTAL $26,297,000 $11,519,000 $ 11,764,000 $9,797,000 $39,783,000 ================================================================================== Allowances not deducted: Provision for consolidation of facilities $ 4,720,000 -- -- $1,320,000(G) $ 3,400,000 Estimated cost of disposal of discontinued operations 1,008,000 -- $ 1,485,000(F) 1,548,000(G) 945,000 Reserves relating to tax indemnification and other contingencies in connection with the sale of limited partnership interests in and related tax benefits of a waste-to-energy facilty -- $ 6,000,000 -- -- 6,000,000 Other 1,477,000 3,500,000 (1,350,000)(B) 23,000(G) 3,604,000 ---------------------------------------------------------------------------------- TOTAL $ 7,205,000 $ 9,500,000 $ 135,000 $2,891,000 $13,949,000 ================================================================================== Notes: - ------ (A) Reserve for contract billing adjustments. (B) Transfer from other accounts. (C) Recoveries of amounts previously written off. (D) Write-offs of receivables considered uncollectible. (E) Write-offs of unsuccessful development costs. (F) Net proceeds from operations and sale of assets relating to discontinued operations credited to provision. (G) Payments charged to allowances.