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Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Accumulated amortization | $ (541,300) | $ (271,400)
Intangible Assets, Net (Excluding Goodwill) [Abstract] |  |
Cost | 3,455,400 | 594,100
Accumulated amortization | (541,300) | (271,400)
Net book value | 2,914,100 | 322,700
Software under development |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Software under development | 8,900 | 4,500
Trade names and trademarks |  |
Finite-Lived Intangible Assets [Line Items] |  |
Cost | 221,900 | 54,000
Accumulated amortization | (29,700) | (2,900)
Net book value | 192,200 | 51,100
Intangible Assets, Net (Excluding Goodwill) [Abstract] |  |
Accumulated amortization | (29,700) | (2,900)
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Cost | 2,553,100 | 245,400
Accumulated amortization | (225,000) | (85,600)
Net book value | 2,328,100 | 159,800
Intangible Assets, Net (Excluding Goodwill) [Abstract] |  |
Accumulated amortization | (225,000) | (85,600)
Software and technology assets |  |
Finite-Lived Intangible Assets [Line Items] |  |
Cost | 670,400 | 289,100
Accumulated amortization | (285,500) | (182,300)
Net book value | 384,900 | 106,800
Intangible Assets, Net (Excluding Goodwill) [Abstract] |  |
Accumulated amortization | (285,500) | (182,300)
Backlog |  |
Finite-Lived Intangible Assets [Line Items] |  |
Cost | 1,100 | 1,100
Accumulated amortization | (1,100) | (600)
Net book value | 0 | 500
Intangible Assets, Net (Excluding Goodwill) [Abstract] |  |
Accumulated amortization | $ (1,100) | $ (600)

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