| Fiscal period | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 |
|---|
| Period End Date | 12/31/2020 | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 | 12/31/2015 | 12/31/2014 | 12/31/2013 | 12/31/2012 | 12/31/2011 |
|---|
| Sales | 1,669.10 | 1,637.00 | 1,562.70 | 1,475.50 | 1,416.20 | 1,626.90 | 1,555.00 | 1,478.30 | 1,555.00 | 1,466.20 |
| Total Revenues | 1,669.10 | 1,637.00 | 1,562.70 | 1,475.50 | 1,416.20 | 1,626.90 | 1,555.00 | 1,478.30 | 1,555.00 | 1,466.20 |
| Cost of sales | 1,308.70 | 1,306.30 | 1,260.90 | 1,153.40 | 1,126.20 | 1,366.70 | 1,343.70 | 1,264.70 | 1,324.60 | 1,242.30 |
| Depreciation and amortization | 54.10 | 51.40 | 46.90 | 49.80 | 52.90 | 59.00 | 44.00 | 29.70 | 27.60 | 26.90 |
| Goodwill impairment | -- | -- | -- | -- | -- | 67.20 | 0.00 | 0.00 | -- | -- |
| Selling, general and administrative expenses | 143.10 | 148.30 | 158.20 | 132.50 | 125.70 | 124.60 | 116.20 | 71.70 | 75.60 | 74.30 |
| Loss on pension settlement | -- | -- | -- | -- | -- | 0.00 | -- | -- | -- | -- |
| Restructuring and impairment charges | 6.50 | 6.00 | 4.00 | 16.20 | 20.10 | 42.20 | 17.90 | 11.90 | 0.60 | 0.00 |
| Loss on sale of assets | 0.00 | 0.00 | (8.30) | 0.00 | 2.10 | -- | -- | -- | -- | -- |
| Gain on sale of business | -- | -- | -- | -- | -- | 3.20 | 0.00 | 0.00 | -- | -- |
| Operating Income (Loss) | 156.70 | 125.00 | 84.40 | 123.60 | 93.40 | (29.60) | 33.20 | 100.30 | 126.60 | 122.70 |
| Interest expense | 48.90 | 61.70 | 54.10 | 42.50 | 50.80 | 50.70 | 39.10 | 26.80 | 27.90 | 27.20 |
| Equity in earnings of affiliates | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Other income (loss) | 2.30 | 0.40 | 0.90 | 2.50 | 0.30 | 0.20 | 0.00 | 3.50 | 1.90 | 0.70 |
| Loss (gain) on extinguishment of debt | -- | -- | -- | (13.30) | 0.00 | 0.00 | -- | -- | -- | -- |
| Loss on pension settlements | -- | -- | -- | (10.00) | (4.40) | -- | -- | -- | -- | -- |
| Income Before Income Taxes And Minority Interest | 110.10 | 63.70 | 31.20 | 60.30 | 38.50 | (80.10) | (5.90) | 77.00 | 100.60 | 96.20 |
| Current-State | -- | -- | -- | -- | -- | 0.20 | 0.30 | -- | 1.30 | 1.10 |
| Current- Foreign | -- | -- | -- | -- | -- | -- | 14.60 | -- | 8.60 | 21.50 |
| Deferred- Foreign | -- | -- | -- | -- | -- | -- | (1.40) | -- | 4.00 | (2.00) |
| Deferred:Federal | -- | -- | -- | -- | -- | (19.20) | 3.10 | -- | 4.90 | (6.70) |
| Deferred:State | -- | -- | -- | -- | -- | 3.00 | 0.00 | -- | (1.20) | 0.10 |
| Income taxes | 21.00 | 0.00 | 25.70 | 29.00 | 11.40 | (4.20) | 34.10 | 36.80 | 33.30 | 38.70 |
| Current-Federal | -- | -- | -- | -- | -- | (4.20) | 17.50 | -- | 15.70 | 24.70 |
| Minority interest | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income (loss) from Continuing Operations | 89.10 | 63.70 | 5.50 | 31.30 | 27.10 | (75.90) | (40.00) | 40.20 | 67.30 | 57.50 |
| Income (loss) from discontinued operations, net of tax expense | (3.90) | 3.70 | 23.70 | (0.80) | 0.60 | (0.10) | 0.60 | (0.10) | (0.10) | (19.90) |
| Gain (loss) on sale of Koppers Arch, net of tax expense | 35.80 | 0.00 | 0.00 | -- | -- | -- | -- | -- | -- | -- |
| Gain (loss) on sale of Monessen, net of tax expense | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income (loss) before cumulative effect of accounting change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of accounting change:Asset retirement obligations, net of tax | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Consolidated Net Income (loss) | 121.00 | 67.40 | 29.20 | 30.50 | 27.70 | (76.00) | (39.40) | 40.10 | 67.20 | 37.60 |
| Net income (loss) attributable to noncontrolling interests | (1.00) | 0.80 | 5.80 | 1.40 | (1.60) | (4.00) | (7.00) | (0.30) | 1.60 | 0.70 |
| Dividends on preferred stock | -- | -- | -- | -- | -- | -- | -- | (0.10) | -- | -- |
| Net income (loss) attributable to Koppers | 122.00 | 66.60 | 23.40 | 29.10 | 29.30 | (72.00) | (32.40) | 40.50 | 65.60 | 36.90 |
| Earnings Per Share (Basic) - Cont Ops | 4.25 | 3.09 | 0.26 | 1.44 | 1.39 | (3.50) | (1.61) | 1.96 | 3.18 | 2.75 |
| Basic earnings (loss) per share before cumulative effect of accounting change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| EPS (Basic) : Disc Ops | 1.56 | 0.13 | 0.86 | (0.04) | 0.03 | (0.01) | 0.03 | 0.00 | (0.01) | (0.96) |
| Cumulative effect of accounting change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Earnings (loss) per common share:Basic | 5.81 | 3.22 | 1.12 | 1.40 | 1.42 | (3.51) | (1.58) | 1.96 | 3.17 | 1.79 |
| Earnings Per Share (Diluted) - Cont Ops | 4.17 | 3.03 | 0.26 | 1.36 | 1.36 | (3.50) | (1.61) | 1.94 | 3.14 | 2.72 |
| Diluted earnings (loss) per share before cumulative effect of accounting change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Earnings Per Share (Diluted) - Disc Ops | 1.54 | 0.13 | 0.84 | (0.04) | 0.03 | (0.01) | 0.03 | 0.00 | (0.01) | (0.95) |
| Cumulative effect of accounting change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Earnings (loss) per common share:Diluted | 5.71 | 3.16 | 1.10 | 1.32 | 1.39 | (3.51) | (1.58) | 1.94 | 3.13 | 1.77 |
| Weighted Average Shares Outstanding (Basic) | 20.99 | 20.67 | 20.87 | 20.75 | 20.64 | 20.54 | 20.46 | 20.58 | 20.68 | 20.60 |
| Weighted Average Shares Outstanding (Diluted) | 21.37 | 21.07 | 21.33 | 22.00 | 21.06 | 20.54 | 20.46 | 20.82 | 20.93 | 20.83 |