Debt and Other Financing Arrangements - Schedule of Debt (Details) - USD ($) $ in Millions		Jun. 30, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Current portion of long-term debt		$ 25.4	$ 20.4
Finance lease liabilities, current		8.3	6.4
Long-term debt, less current portion		2,004.5	1,830.1
Finance lease liabilities, Noncurrent		35.8	36.4
Long-term debt gross		2,045.5	1,870.2
Net unamortized discount		(6.4)	(5.5)
Unamortized note issuance costs		(34.6)	(34.6)
Total debt		2,029.9	1,850.5
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Credit Agreement		47.0	152.5
Term B-1 Loans [Member]
Debt Instrument [Line Items]
Current portion of long-term debt		5.0	5.0
Long-term debt, less current portion		482.5	485.0
Term B-2 Loans [Member]
Debt Instrument [Line Items]
Current portion of long-term debt		9.6	6.5
Long-term debt, less current portion		923.4	630.5
Term B 3 Loan [Member]
Debt Instrument [Line Items]
Current portion of long-term debt		2.0	2.0
Long-term debt, less current portion		196.0	197.0
Network Receivables Facility [Member]
Debt Instrument [Line Items]
Receivables Facility		24.8	36.1
CBTS Receivable Facility [Member]
Debt Instrument [Line Items]
Receivables Facility		210.2	209.9
Various Cincinnati Bell Telephone Notes [Member]
Debt Instrument [Line Items]
Long-term debt, less current portion	[1]	94.4	95.1
Paniolo Fiber Assets [Member]
Debt Instrument [Line Items]
Financing Arrangement, Current Portion		0.5	0.5
Financing Arrangement, Noncurrent Portion		21.1	21.4
Digital Access Ohio Advance [Member]
Debt Instrument [Line Items]
Secured long-term debt, noncurrent		$ 10.3	$ 6.3

[1] As of June 30, 2024 and December 31, 2023, the net carrying amount of the Various Cincinnati Bell Telephone notes included an unamortized fair value adjustment recorded on the Company's merger date, September 7, 2021, of $6.5 million and $7.2 million, respectively. The adjustment is amortized over the life of the notes and is recorded as a reduction of interest expense.