v3.26.1
Debt and Finance Lease Obligations - Schedule of Debt (Details)
$ in Millions
 6 Months Ended
Jun. 30, 2026
USD ($)
installment
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Debt Instrument [Line Items]      
Weighted average interest rate (as a percent) 7.40%    
Unused borrowing capacity $ 864.3    
Estimated fair value 7,326.2   $ 7,420.9
Total debt before premiums, discounts and deferred financing costs 8,527.5   8,349.8
Premiums, discounts and deferred financing costs, net (85.9)   (79.3)
Total carrying amount of debt 8,441.6   8,270.5
Finance lease obligations 6.9   8.7
Total debt and finance lease obligations $ 8,448.5   $ 8,279.2
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] Total debt and finance lease obligations   Total debt and finance lease obligations
Less: Current maturities of debt and finance lease obligations $ (422.4)   $ (408.8)
Long-term debt and finance lease obligations 8,026.1   7,870.4
Proceeds from tower transactions $ 2.0 $ 0.0  
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 1,757.1   1,793.8
Total debt before premiums, discounts and deferred financing costs $ 1,755.0   1,755.0
C&W Credit Facilities | Line of Credit      
Debt Instrument [Line Items]      
Weighted average interest rate (as a percent) 6.46%    
Credit facilities, unused borrowing capacity $ 654.3    
Estimated fair value 2,534.8   2,603.7
Total debt before premiums, discounts and deferred financing costs $ 2,615.8   2,646.2
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 1,120.0   1,285.5
Total debt before premiums, discounts and deferred financing costs $ 1,981.0   1,981.0
2028 LPR Term Loan | Line of Credit | Secured Debt      
Debt Instrument [Line Items]      
Weighted average interest rate (as a percent) 7.66%    
Credit facilities, unused borrowing capacity $ 0.0    
Estimated fair value 351.1   400.7
Total debt before premiums, discounts and deferred financing costs $ 620.0   620.0
LPR Credit Facilities | Line of Credit      
Debt Instrument [Line Items]      
Weighted average interest rate (as a percent) 12.00%    
Credit facilities, unused borrowing capacity $ 190.0    
Estimated fair value 400.0   200.0
Total debt before premiums, discounts and deferred financing costs $ 410.0   208.0
2027 LPR Revolving Credit Facility | Line of Credit | Revolving Credit Facility      
Debt Instrument [Line Items]      
Weighted average interest rate (as a percent) 0.00%    
Credit facilities, unused borrowing capacity $ 0.0    
Estimated fair value 0.0   31.1
Total debt before premiums, discounts and deferred financing costs $ 0.0   56.5
LCR Credit Facilities | Line of Credit      
Debt Instrument [Line Items]      
Weighted average interest rate (as a percent) 10.16%    
Credit facilities, unused borrowing capacity $ 20.0    
Estimated fair value 527.5   538.0
Total debt before premiums, discounts and deferred financing costs $ 510.0   515.0
Vendor financing, Tower Transactions and other | Unsecured Debt      
Debt Instrument [Line Items]      
Weighted average interest rate (as a percent) 8.47%    
Unused borrowing capacity $ 0.0    
Estimated fair value 635.7   568.1
Total debt before premiums, discounts and deferred financing costs 635.7   568.1
Vendor Financing | Unsecured Debt      
Debt Instrument [Line Items]      
Total carrying amount of debt $ 381.0   $ 306.0
Vendor Financing Obligations | Unsecured Debt      
Debt Instrument [Line Items]      
General term of vendor financing arrangements for amounts due (in year) 1 year    
Operating expenses financed by intermediary $ 129.0 $ 81.0