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Goodwill and Intangibles, Net - Changes in the Carrying Amount of Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Goodwill [Roll Forward]
Beginning balance	$ 127.4	$ 111.0
Acquisitions		16.7
Translation	(0.3)	(0.3)
Ending balance	127.1	127.4
Infrastructure
Goodwill [Roll Forward]
Beginning balance	106.0	89.6
Acquisitions		16.7
Translation	(0.3)	(0.3)
Ending balance	105.7	106.0
Spectrum
Goodwill [Roll Forward]
Beginning balance	21.4	21.4
Acquisitions		0.0
Translation	0.0	0.0
Ending balance	$ 21.4	$ 21.4

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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