Debt and Other Financing Arrangements - Schedule of Debt (Details) - USD ($)		Mar. 31, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Current portion of long-term debt		$ 25,600,000	$ 45,600,000
Finance lease liabilities, current		9,300,000	9,900,000
Long-term debt, less current portion		1,697,800,000	1,720,200,000
Finance lease liabilities, Noncurrent		38,400,000	37,700,000
Long-term debt gross		1,734,400,000	1,759,000,000
Net unamortized discount		(5,500,000)	(5,800,000)
Unamortized note issuance costs		(31,100,000)	(33,000,000)
Total debt		1,723,400,000	1,765,800,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Credit Agreement		0
Term B-1 Loans [Member]
Debt Instrument [Line Items]
Current portion of long-term debt		5,000,000	5,000,000
Long-term debt, less current portion		478,800,000	480,000,000
Term B 3 Loan [Member]
Debt Instrument [Line Items]
Current portion of long-term debt		2,000,000	2,000,000
Long-term debt, less current portion		194,500,000	195,000,000
Term B-4 Loans [Member]
Debt Instrument [Line Items]
Current portion of long-term debt		9,300,000	9,300,000
Long-term debt, less current portion		919,000,000	921,300,000
Other Bank Debt [Member]
Debt Instrument [Line Items]
Current portion of long-term debt		0	18,900,000
Various Cincinnati Bell Telephone Notes [Member]
Debt Instrument [Line Items]
Long-term debt, less current portion	[1]	93,400,000	93,800,000
Paniolo Fiber Assets [Member]
Debt Instrument [Line Items]
Financing Arrangement, Current Portion		0	500,000
Financing Arrangement, Noncurrent Portion		0	20,900,000
Digital Access Ohio Advance [Member]
Debt Instrument [Line Items]
Secured long-term debt, noncurrent		$ 10,300,000	$ 10,300,000

[1] As of March 31, 2025 and December 31, 2024, 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 $5.5 million and $5.9 million, respectively. The adjustment is amortized over the life of the notes and is recorded as a reduction of interest expense.