| In millions, except per share items | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues: |
| Colocation | 476.2 | 413.8 | 370.7 | 324.2 | 304.7 | 259.0 | 218.5 |
| Connectivity | 105.8 | 91.9 | 85.0 | 74.0 | 67.7 | 53.7 | 43.1 |
| Other | 10.0 | 5.9 | 6.6 | 7.6 | 5.9 | 5.6 | 4.2 |
| Total revenues | 592.0 | 511.5 | 462.3 | 405.9 | 378.3 | 318.4 | 265.9 |
| Revenue growth [+] | 15.7% | 10.7% | 13.9% | 7.3% | 18.8% | 19.7% | |
| Colocation | 15.1% | 11.6% | 14.3% | 6.4% | 17.6% | 18.6% | |
| Connectivity | 15.1% | 8.1% | 14.9% | 9.3% | 26.0% | 24.5% | |
| Other | 71.0% | -11.3% | -13.4% | 30.3% | 4.9% | 32.3% | |
| Cost of goods sold | 339.6 | 279.5 | 242.7 | 224.4 | 198.2 | 168.8 | 141.1 |
| Gross profit | 252.4 | 232.1 | 219.6 | 181.4 | 180.0 | 149.5 | 124.8 |
| Gross margin | 42.6% | 45.4% | 47.5% | 44.7% | 47.6% | 47.0% | 46.9% |
| Selling, general and administrative | 161.4 | 136.7 | 142.7 | 126.8 | 160.6 | 71.4 | 45.3 |
| Equity in earnings | -1.2 | | | -0.3 | -1.1 | -10.1 | 0.8 |
| Other operating expenses | | | | | 0.6 | 27.0 | |
| EBITDA [+] | 262.4 | 238.2 | 196.9 | 161.0 | 106.9 | 107.5 | 135.7 |
| EBITDA growth | 10.2% | 21.0% | 22.3% | 50.7% | -0.6% | -20.8% | |
| EBITDA margin | 44.3% | 46.6% | 42.6% | 39.7% | 28.3% | 33.8% | 51.1% |
| Depreciation and amortization | 172.6 | 142.7 | 119.9 | 106.7 | 89.1 | 66.6 | 55.4 |
| EBIT [+] | 89.8 | 95.4 | 76.9 | 54.3 | 17.8 | 40.9 | 80.4 |
| EBIT growth | -5.9% | 24.0% | 41.5% | 206.2% | -56.6% | -49.1% | |
| EBIT margin | 15.2% | 18.7% | 16.6% | 13.4% | 4.7% | 12.9% | 30.2% |
| Non-recurring items [+] | 35.0 | | | | | | |
| Legal settlement | 35.0 | | | | | | |
| Interest expense | 47.6 | 29.8 | 29.2 | 26.4 | 25.1 | 10.8 | 7.7 |
| Interest expense | 47.6 | 29.8 | 29.2 | 26.4 | 25.1 | 10.8 | 7.7 |
| Other income (expense), net [+] | 10.2 | -22.7 | -13.4 | 3.3 | -2.2 | 1.3 | 0.8 |
| Gain (loss) on sale of assets | 5.4 | | | | | | 0.2 |
| Gain (loss) on debt retirement | -0.1 | -0.2 | | | -3.6 | | -0.2 |
| Unrealized gain/loss on derivatives | 0.6 | -23.5 | -14.9 | | | | |
| Other non-operating income | | | | 3.3 | | | |
| Other | 4.4 | 1.0 | 1.5 | 3.3 | 1.3 | 0.8 | 0.7 |
| Pre-tax income | 17.4 | 42.9 | 34.3 | 31.3 | -9.6 | 31.4 | 73.5 |
| Income taxes | 2.7 | 4.5 | 2.7 | 1.9 | -1.0 | 0.0 | 0.0 |
| Tax rate | 15.3% | 10.6% | 7.9% | 6.2% | 10.3% | 0.0% | 0.0% |
| Minority interest | 9.3 | 22.8 | 22.6 | 25.3 | 6.6 | | |
| Net income | 5.4 | 15.5 | 8.9 | 4.1 | -15.2 | 31.4 | 73.5 |
| Net margin | 0.9% | 3.0% | 1.9% | 1.0% | -4.0% | 9.9% | 27.6% |
| |
| Basic EPS [+] | $0.04 | $0.15 | $0.12 | $0.09 | ($1.88) | $0.16 | $0.37 |
| Growth | -72.5% | 26.0% | 31.4% | -104.7% | -1295.2% | -57.8% | |
| Diluted EPS [+] | $0.04 | $0.06 | $0.04 | $0.09 | ($1.88) | $0.15 | $0.37 |
| Growth | -38.9% | 76.3% | -59.1% | -104.7% | -1321.7% | -58.2% | |
| |
| Dividends per share [+] | $0.21 | $0.16 | $0.12 | $0.06 | $0.01 | $0.14 | $0.10 |
| Growth | 28.9% | 34.7% | 100.0% | 301.4% | -89.6% | 35.4% | |
| |
| Shares outstanding (basic) [+] | 134.1 | 105.8 | 76.5 | 45.7 | 8.1 | 199.0 | 196.8 |
| Growth | 26.7% | 38.3% | 67.5% | 465.8% | -95.9% | 1.2% | |
| Shares outstanding (diluted) [+] | 138.7 | 243.5 | 246.3 | 45.8 | 8.1 | 203.5 | 199.3 |
| Growth | -43.0% | -1.1% | 438.4% | 466.7% | -96.0% | 2.1% | |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |