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Acquisitions and Disposals (Schedule of Acquisition of Towers and Related Asset and Liabilities by Assets Class) (Details) - Other Acquisitions [Member] - USD ($) $ in Thousands | Sep. 30, 2025 | Sep. 30, 2024
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Business Acquisition [Line Items] |  |
Property and equipment, net | $ 476,720 | $ 27,906
Intangible assets, net | 391,685 | 211,131
Operating leases right-of-use assets, net | 82,910 | 25,251
Acquisition related holdbacks | (129) | (4,570)
Long-term lease liabilities | (57,623) | (18,106)
Other liabilities assumed, net | (258,812) | (6,759)
Total acquisitions of towers and related assets and liabilities | $ 634,751 | $ 234,853

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