Debt and Other Financing Arrangements - Accounts Receivable Securitization Facility - Narrative (Details) $ in Millions	6 Months Ended
	Jun. 30, 2024 USD ($)
Network Receivables Facility [Member]
Debt Instrument [Line Items]
Receivables facility amount outstanding	$ 24.8
Letters of Credit Outstanding, Amount	25.0
Receivables Facility Remaining Borrowing Capacity	0.5
Receivables Facility Maximum Borrowing Availability	50.3
Receivables facility maximum borrowing capacity	55.0
CBTS Receivable Facility [Member]
Debt Instrument [Line Items]
Receivables facility amount outstanding	210.2
Letters of Credit Outstanding, Amount	0.2
Receivables Facility Remaining Borrowing Capacity	8.2
Receivables Facility Maximum Borrowing Availability	218.6
Receivables facility maximum borrowing capacity	$ 225.0
CBTS Receivable Facility [Member] | Canadian Overnight Repo Rate Average [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.60%