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Operating Segments and Related Information (Tables) | 3 Months Ended
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Mar. 31, 2024
Segment Reporting [Abstract] |
Schedules of Concentration of Risk, by Risk Factor | The Company's revenue concentrations of 10% and greater were as follows:
|  |  |  |  | Three Months Ended March 31,
| Segment |  |  |  |  |  | 2024 |  | 2023
Customer A | Infrastructure |  |  |  |  |  | 27.6% |  | 28.1%
Schedule of Company's Operating Segments | Summarized financial information with respect to the Company’s operating segments is as follows (in millions):
|  |  |  | Three Months Ended March 31,
|  |  |  |  |  | 2024 |  | 2023
Revenue |  |  |  |  |  |  |  |
Infrastructure |  |  |  |  |  | $ | 307.9 |  |  | $ | 311.7 |
Life Sciences |  |  |  |  |  | 1.0 |  |  | 0.5 |
Spectrum |  |  |  |  |  | 6.3 |  |  | 5.7 |
Total revenue |  |  |  |  |  | $ | 315.2 |  |  | $ | 317.9 |
|  |  |  | Three Months Ended March 31,
|  |  |  |  |  | 2024 |  | 2023
Income (loss) from operations |  |  |  |  |  |  |  |
Infrastructure |  |  |  |  |  | $ | 9.3 |  |  | $ | 6.3 |
Life Sciences |  |  |  |  |  | (3.2) |  |  | (4.4) |
Spectrum |  |  |  |  |  | 0.2 |  |  | (0.5) |
Other |  |  |  |  |  | — |  |  | (1.4) |
Non-Operating Corporate |  |  |  |  |  | (3.5) |  |  | (4.0) |
Total income (loss) from operations |  |  |  |  |  | $ | 2.8 |  |  | $ | (4.0) |
|  |  |  | Three Months Ended March 31,
|  |  |  |  |  | 2024 |  | 2023
Reconciliation of the consolidated segment income (loss) from operations to consolidated loss from operations before income taxes: |  |  |  |  |  |  |  |
Income (loss) from operations |  |  |  |  |  | $ | 2.8 |  |  | $ | (4.0) |
Interest expense |  |  |  |  |  | (17.2) |  |  | (15.6) |
Loss from equity investees |  |  |  |  |  | (1.2) |  |  | (4.0) |
Other (expense) income, net |  |  |  |  |  | (1.2) |  |  | 16.5 |
Loss from operations before income taxes |  |  |  |  |  | $ | (16.8) |  |  | $ | (7.1) |
|  |  |  | Three Months Ended March 31,
|  |  |  |  |  | 2024 |  | 2023
Depreciation and Amortization |  |  |  |  |  |  |  |
Infrastructure |  |  |  |  |  | $ | 3.0 |  |  | $ | 4.9 |
Infrastructure recognized within cost of revenue |  |  |  |  |  | 4.0 |  |  | 3.9 |
Total Infrastructure |  |  |  |  |  | 7.0 |  |  | 8.8 |
Life Sciences |  |  |  |  |  | 0.1 |  |  | 0.1 |
Spectrum |  |  |  |  |  | 1.3 |  |  | 1.3 |
Total depreciation and amortization |  |  |  |  |  | $ | 8.4 |  |  | $ | 10.2 |
|  |  |  | Three Months Ended March 31,
|  |  |  |  |  | 2024 |  | 2023
Capital Expenditures (*) |  |  |  |  |  |  |  |
Infrastructure |  |  |  |  |  | $ | 5.2 |  |  | $ | 3.0 |
Life Sciences |  |  |  |  |  | 0.1 |  |  | 0.1 |
Spectrum |  |  |  |  |  | 0.3 |  |  | 0.3 |
Non-Operating Corporate |  |  |  |  |  | — |  |  | 0.3 |
Total |  |  |  |  |  | $ | 5.6 |  |  | $ | 3.7 |
(*) The above capital expenditures exclude assets acquired under finance lease and other financing obligations.
Schedule of Segment Reporting for Long-term investments, Property and Equipment - Net and Assets |
| March 31, 2024 |  | December 31, 2023
Investments |  |  |
Life Sciences | $ | 1.8 |  |  | $ | 1.8 |
Total | $ | 1.8 |  |  | $ | 1.8 |
The Company's equity method investments in the Life Sciences segment included in the table above totaled $0.9 million as of both March 31, 2024 and December 31, 2023.
|  | March 31, 2024 |  | December 31, 2023
Total Assets |  |  |  |
Infrastructure |  | $ | 746.6 |  |  | $ | 851.4 |
Life Sciences |  | 8.2 |  |  | 8.3 |
Spectrum |  | 175.5 |  |  | 176.6 |
Non-Operating Corporate |  | 13.2 |  |  | 7.3 |
Total |  | $ | 943.5 |  |  | $ | 1,043.6 |

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