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Long-lived Assets (Schedule of Intangible Assets Subject to Amortization, Net) (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |
Gross carrying amount | $ 3,808.2 | $ 4,027.8
Accumulated amortization | (1,976.0) | (1,974.2)
Net carrying amount | 1,832.2 | 2,053.6
Customer relationships |  |
Property, Plant and Equipment [Line Items] |  |
Gross carrying amount | 2,327.6 | 2,489.5
Accumulated amortization | (1,374.3) | (1,370.8)
Net carrying amount | 953.3 | 1,118.7
Other |  |
Property, Plant and Equipment [Line Items] |  |
Gross carrying amount | 1,480.6 | 1,538.3
Accumulated amortization | (601.7) | (603.4)
Net carrying amount | $ 878.9 | $ 934.9

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