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Acquisitions (Narrative) (Details) $ in Millions	1 Months Ended	3 Months Ended
	May 08, 2023 USD ($) item	Mar. 31, 2023 USD ($) item	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Business Acquisition [Line Items]
Performance targets, maximum potential obligation		$ 9.9		$ 10.1
Airtel Tanzania [Member]
Business Acquisition [Line Items]
Consideration transferred			$ 176.1
Other Acquisitions [Member]
Business Acquisition [Line Items]
Number of towers acquired | item		14
Property and equipment		$ 1.6
Intangible assets		8.9
Operating leases right-of-use assets, net		1.0
Acquired and other right-of-use assets, net		0.8
Acquisition related holdbacks		0.1
Long-term lease liabilities assumed		0.5
Other net assets assumed		$ 1.1
Subsequent Event [Member] | Other Acquisitions [Member]
Business Acquisition [Line Items]
Number of communication sites acquired | item	66
Cash paid for acquisition	$ 63.7

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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