| In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues: | | | | | | | |
| Total revenues | 1,605.0 | 1,770.0 | 1,723.0 | 1,666.0 | 1,804.0 | 1,257.0 | 1,558.0 |
| Total revenues growth | -9.3% | 2.7% | 3.4% | -7.6% | 43.5% | -19.3% | |
| Costs and expenses: | | | | | | | |
| Product and service costs, excluding depreciation and amortization | | | | | | | |
| Selling, general and administrative | 431.0 | 369.0 | 332.0 | 325.0 | 446.0 | 337.0 | 223.0 |
| Depreciation and amortization | 239.0 | 290.0 | 348.0 | 376.0 | 439.0 | | |
| (Gain) loss on orbital receivables allowance | | -49.0 | 14.0 | 14.0 | | | |
| Impairment loss | | | 33.0 | | 586.0 | | |
| Loss on sale of assets | | | 1.0 | -136.0 | -33.0 | | |
| Operating income | 11.0 | 176.0 | 2.0 | 295.0 | -722.0 | -156.0 | 107.0 |
| Operating margin | 0.7% | 9.9% | 0.1% | 17.7% | -40.0% | -12.4% | |
| Interest expense, net | 158.0 | 151.0 | 175.0 | 219.0 | 200.0 | 97.0 | |
| Other expense (income), net | 1.0 | -8.0 | -104.0 | 1.0 | 1.0 | -30.0 | 7.0 |
| (Loss) income before taxes | -148.0 | 33.0 | -69.0 | 77.0 | | | |
| Income tax expense (benefit) | 2.0 | -13.0 | -22.0 | 5.0 | -48.0 | -168.0 | -1.0 |
| Equity in income from joint ventures, net of tax | | | 1.0 | 11.0 | 2.0 | | |
| (Loss) income from continuing operations | -150.0 | 46.0 | -46.0 | 83.0 | -873.0 | -56.0 | |
| Income from operations of discontinued operations, net of tax | | | 32.0 | 26.0 | -377.0 | | |
| Gain on disposal of discontinued operations, net of tax | | | 317.0 | 26.0 | | | |
| Income from discontinued operations, net of tax | | | 349.0 | 26.0 | -377.0 | 116.0 | |
| Net (loss) income | -150.0 | 46.0 | 303.0 | 109.0 | -1,250.0 | 60.0 | 68.0 |
| |
| Basic net (loss) income per common share: | | | | | | | |
| Basic (Loss) income from continuing operations (in dollars per share) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Basic Income from discontinued operations, net of tax (in dollars per share) | | | 0.0 | 0.0 | 0.0 | 0.0 | |
| |
| Basic net (loss) income per common share (in dollars per share) | ($2.03) | $0.65 | $4.99 | $1.83 | ($21.52) | $1.46 | $1.87 |
| |
| Diluted net (loss) income per common share: | | | | | | | |
| Diluted (Loss) income from continuing operations (in dollars per share) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Diluted Income from discontinued operations, net of tax (in dollars per share) | | | 0.0 | 0.0 | 0.0 | 0.0 | |
| Diluted net (loss) income per common share (in dollars per share) | ($2.03) | $0.63 | $4.99 | $1.81 | ($21.52) | $1.46 | $1.86 |