1 EXHIBIT 11.1 COMPUTATION OF NET INCOME PER SHARE Three Months Ended March 31, ------------------------------- 2000 1999 ------------- ------------- Basic: Net income attributable to common shares........... $ (5,318) $ 1,428 ============= ============= Weighted average common shares outstanding......... 22,103 22,068 ============= ============= Per share amount................................... $ (0.24) $ 0.06 ============= ============= Diluted: Net income......................................... $ (5,318) $ 1,428 Net effect of convertible debentures based on the if-converted method, assuming 100% conversion: $35,000,000, 6.75%, due 2006................... 391 391 $50,000,000, 7.0%, due 2004.................... 587 587 $143,750,000, 5.25%, due 2002.................. 1,295 1,295 ------------- ------------- Net income (loss) attributable to common shares.... $ (3,045) $ 3,701 ============= ============= Weighted average common shares outstanding......... 22,103 22,068 Net effect of convertible debentures based on the if-converted method, assuming 100% conversion: $35,000,000, 6.75%, due 2006................... 1,717 1,717 $50,000,000, 7.0%, due 2004.................... 2,469 2,469 $143,750,000, 5.25%, due 2002.................. 5,000 5,000 Net effect of dilutive stock options based on the Treasury stock method, using average market price...................................... 88 483 ------------- ------------- Totals......................................... 31,377 31,737 ============= ============= Per share amount................................... $ (0.10) $0.12 ============= =============