v3.26.1
NOTES PAYABLE, FINANCE LEASES, AND COMMERCIAL BANK FINANCING (Details)
1 Months Ended 3 Months Ended 6 Months Ended
Nov. 06, 2025
USD ($)
Apr. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jul. 31, 2026
USD ($)
Mar. 31, 2026
interest_collar_agreement
Mar. 30, 2026
USD ($)
Mar. 03, 2026
USD ($)
Dec. 31, 2025
USD ($)
Feb. 12, 2025
USD ($)
Debt Instrument [Line Items]                        
Gain (loss) on extinguishment of debt     $ 13,000,000 $ 4,000,000 $ 13,000,000 $ 6,000,000            
Interest Rate Collar                        
Debt Instrument [Line Items]                        
Interest collar agreements | interest_collar_agreement               2        
Interest Rate Collar, Agreement One                        
Debt Instrument [Line Items]                        
Notional amount                   $ 100,000,000    
Derivative, cap interest ceiling (as a percent)                   3.75%    
Derivative, floor interest rate (as a percent)                   2.67%    
Interest Rate Collar, Agreement Two                        
Debt Instrument [Line Items]                        
Notional amount                 $ 100,000,000      
Derivative, cap interest ceiling (as a percent)                 4.25%      
Derivative, floor interest rate (as a percent)                 3.65%      
Marquee                        
Debt Instrument [Line Items]                        
Estimated obligation     15,000,000   15,000,000           $ 15,000,000  
Amount of debt guaranteed by parent     5,000,000   5,000,000           10,000,000  
Guarantee Obligations                        
Debt Instrument [Line Items]                        
Unconditional and irrevocably guaranteed debt                     2,000,000  
Guarantee obligations, maximum amount     331,000,000   331,000,000              
Consolidated VIEs                        
Debt Instrument [Line Items]                        
Consolidated total debt                     2,000,000  
Affiliated Entity                        
Debt Instrument [Line Items]                        
Finance lease liabilities, current     3,000,000   3,000,000           3,000,000  
Finance lease liabilities, non-current     5,000,000   5,000,000           6,000,000  
STG 5.125% Senior Notes | Senior Notes                        
Debt Instrument [Line Items]                        
Interest rate (as a percent)       5.125%   5.125%            
Gain (loss) on extinguishment of debt       $ 4,000,000   $ 7,000,000            
4.125% Senior Secured Notes due 2030 | Senior Notes                        
Debt Instrument [Line Items]                        
Interest rate (as a percent)       4.125%   4.125%            
Gain (loss) on extinguishment of debt           $ 5,000,000            
Term Loan B-2 | Term Loan                        
Debt Instrument [Line Items]                        
Gain (loss) on extinguishment of debt           $ (6,000,000)            
Term Loan B-6, due December 31, 2029 | Term Loan                        
Debt Instrument [Line Items]                        
Gain (loss) on extinguishment of debt     8,000,000   8,000,000              
Debt instrument, repurchased aggregate principal amount   $ 93,000,000                    
Repayment of term loan   85,000,000                    
Term Loan B-7, due December 31, 2030 | Term Loan                        
Debt Instrument [Line Items]                        
Gain (loss) on extinguishment of debt     $ 5,000,000   $ 5,000,000              
Debt instrument, repurchased aggregate principal amount   72,000,000                    
Repayment of term loan   65,000,000                    
Term Loan B-7, due December 31, 2030 | Term Loan | Subsequent Event                        
Debt Instrument [Line Items]                        
Debt instrument, repurchased aggregate principal amount             $ 25,000,000          
Term Loan B-3, due April 1, 2028 | Term Loan | Subsequent Event                        
Debt Instrument [Line Items]                        
Debt instrument, repurchased aggregate principal amount             3,000,000          
A/R Facility | First-Out Revolving Credit Facility | Line of Credit                        
Debt Instrument [Line Items]                        
First lien leverage ratio     3.5   3.5              
Borrowings under revolving credit facility exceed total commitments (as a percent)         35.00%              
Maximum borrowing capacity                       $ 575,000,000
Borrowings outstanding     $ 0   $ 0              
A/R Facility | Amended Credit Agreement | Line of Credit | Subsequent Event                        
Debt Instrument [Line Items]                        
Available borrowing capacity             $ 38,000,000          
A/R Facility | A/R Facility | Line of Credit                        
Debt Instrument [Line Items]                        
Maximum borrowing capacity $ 375,000,000                      
Borrowings outstanding     225,000,000   225,000,000           $ 375,000,000  
Term 3 years                      
Debt instrument, basis spread on variable rate (as a percent) 1.25%                      
Repayment of borrowings   $ 150,000,000                    
Interest expense     $ 3,000,000   $ 8,000,000