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Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Finite-Lived Intangible Assets [Line Items] |  |
Accumulated amortization | $ (873,800) | $ (540,200)
Intangible Assets, Net (Excluding Goodwill) [Abstract] |  |
Cost | 3,542,500 | 3,454,300
Accumulated amortization | (873,800) | (540,200)
Net book value | 2,668,700 | 2,914,100
Software under development |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Software under development | 2,800 | 8,900
Trade names and trademarks |  |
Finite-Lived Intangible Assets [Line Items] |  |
Cost | 220,500 | 221,900
Accumulated amortization | (63,200) | (29,700)
Net book value | 157,300 | 192,200
Intangible Assets, Net (Excluding Goodwill) [Abstract] |  |
Accumulated amortization | (63,200) | (29,700)
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Cost | 2,538,100 | 2,553,100
Accumulated amortization | (393,700) | (225,000)
Net book value | 2,144,400 | 2,328,100
Intangible Assets, Net (Excluding Goodwill) [Abstract] |  |
Accumulated amortization | (393,700) | (225,000)
Software and technology assets |  |
Finite-Lived Intangible Assets [Line Items] |  |
Cost | 781,100 | 670,400
Accumulated amortization | (416,900) | (285,500)
Net book value | 364,200 | 384,900
Intangible Assets, Net (Excluding Goodwill) [Abstract] |  |
Accumulated amortization | $ (416,900) | $ (285,500)

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