Revenue - Schedule of Revenues Disaggregation by Product and Service Lines (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation Of Revenue [Line Items]
Revenues	$ 271.6	$ 275.9
Operating Segments | Data [Member]
Disaggregation Of Revenue [Line Items]
Revenues	141.5	135.7
Operating Segments | Video [Member]
Disaggregation Of Revenue [Line Items]
Revenues	45.2	45.5
Operating Segments | Voice [Member]
Disaggregation Of Revenue [Line Items]
Revenues	59.3	66.7
Operating Segments | Other [Member]
Disaggregation Of Revenue [Line Items]
Revenues	25.6	28.0
Operating Segments | Network [Member]
Disaggregation Of Revenue [Line Items]
Revenues	$ 271.6	$ 275.9