v3.25.2
Debt and Finance Lease Obligations - Components of Debt (Details)
$ in Millions
 6 Months Ended
Jun. 30, 2025
USD ($)
installment
Jun. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Debt Instrument [Line Items]      
Weighted average interest rate (as a percent) 7.36%    
Unused borrowing capacity $ 724.9    
Estimated fair value 7,298.2   $ 7,780.5
Total debt before premiums, discounts and deferred financing costs 8,228.4   8,138.8
Premiums, discounts and deferred financing costs, net (72.6)   (63.2)
Total carrying amount of debt 8,155.8   8,075.6
Finance lease obligations 4.1   4.6
Total debt and finance lease obligations 8,159.9   8,080.2
Less: Current maturities of debt and finance lease obligations (557.3)   (465.7)
Long-term debt and finance lease obligations $ 7,602.6   $ 7,614.5
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] Total debt and finance lease obligations   Total debt and finance lease obligations
C&W Notes | Senior Notes      
Debt Instrument [Line Items]      
Weighted average interest rate (as a percent) 7.93%    
Unused borrowing capacity $ 0.0    
Estimated fair value 1,772.8   $ 1,707.2
Total debt before premiums, discounts and deferred financing costs $ 1,755.0   1,735.0
C&W Credit Facilities | Line of Credit      
Debt Instrument [Line Items]      
Weighted average interest rate (as a percent) 6.97%    
Credit facilities, unused borrowing capacity $ 584.4    
Estimated fair value 2,717.1   2,671.0
Total debt before premiums, discounts and deferred financing costs $ 2,742.4   2,690.2
Annual installments | installment 3    
LPR Senior Secured Notes | Line of Credit      
Debt Instrument [Line Items]      
Weighted average interest rate (as a percent) 6.08%    
Credit facilities, unused borrowing capacity $ 0.0    
Estimated fair value 1,267.5   1,709.1
Total debt before premiums, discounts and deferred financing costs $ 1,981.0   1,981.0
LPR Credit Facilities | Line of Credit      
Debt Instrument [Line Items]      
Weighted average interest rate (as a percent) 8.16%    
Credit facilities, unused borrowing capacity $ 115.5    
Estimated fair value 438.9   598.9
Total debt before premiums, discounts and deferred financing costs $ 677.0   670.0
LCR Credit Facilities | Line of Credit      
Debt Instrument [Line Items]      
Weighted average interest rate (as a percent) 10.71%    
Credit facilities, unused borrowing capacity $ 25.0    
Estimated fair value 513.9   481.7
Total debt before premiums, discounts and deferred financing costs $ 485.0   450.0
Vendor financing, Tower Transactions and other | Unsecured Debt      
Debt Instrument [Line Items]      
Weighted average interest rate (as a percent) 8.11%    
Unused borrowing capacity $ 0.0    
Estimated fair value 588.0   612.6
Total debt before premiums, discounts and deferred financing costs 588.0   612.6
Vendor Financing | Unsecured Debt      
Debt Instrument [Line Items]      
Total carrying amount of debt $ 319.0   $ 328.0
Vendor Financing Obligations | Unsecured Debt      
Debt Instrument [Line Items]      
General term of vendor financing arrangements for amounts due (in year) 1 year 1 year  
Operating expenses financed by intermediary $ 81.0 $ 81.0