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v3.22.4

Operating Segments and Related Information - Long-term investments, Property and Equipment and Assets (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Investments | $ 59.5 | $ 56.0
Equity Method Investments (included in Investments above) | 43.6 | 38.8
Assets | 1,151.7 | 1,080.6
Operating Segments | Infrastructure |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Investments | 0.0 | 0.7
Equity Method Investments (included in Investments above) | 0.0 | 0.7
Assets | 879.3 | 786.4
Operating Segments | Life Sciences |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Investments | 7.6 | 10.2
Equity Method Investments (included in Investments above) | 3.0 | 4.2
Assets | 15.4 | 22.0
Operating Segments | Spectrum |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Assets | 188.2 | 198.9
Operating Segments | Other |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Investments | 51.9 | 45.1
Equity Method Investments (included in Investments above) | 40.6 | 33.9
Assets | 53.6 | 48.0
Non-operating Corporate |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Assets | $ 15.2 | $ 25.3

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