v3.26.1
Bank credit lines, loan facilities and notes - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jul. 15, 2026
Apr. 27, 2026
May 08, 2024
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Nov. 26, 2025
May 02, 2023
Jul. 01, 2021
Debt Instrument [Line Items]                              
Drawdown of credit lines and loan facilities                   $ 0 $ 50,000        
Repayments of lines of credit                   14,881 64,881        
Debt issue costs                   2,294 0        
Total debt       $ 3,401,807   $ 3,416,688       3,401,807   $ 3,416,688      
Long-term debt at fair value       $ 3,437,700   $ 3,500,100       $ 3,437,700   $ 3,500,100      
The New Notes | Senior Subordinated Notes                              
Debt Instrument [Line Items]                              
Debt instrument, principal amount     $ 2,000,000                        
Debt discount paid     6,800                        
Senior Secured Notes (the "2027 Notes") | Senior Subordinated Notes                              
Debt Instrument [Line Items]                              
Debt instrument, principal amount     $ 750,000                        
Debt instrument, interest rate (in percent)     5.809% 5.809%   5.809%       5.809%   5.809%      
Debt instrument, discount rate on underwriting (in percent)     0.00250                        
Total debt       $ 750,000   $ 750,000       $ 750,000   $ 750,000      
Senior Secured Notes (the "2029 Notes") | Senior Subordinated Notes                              
Debt Instrument [Line Items]                              
Debt instrument, principal amount     $ 750,000                        
Debt instrument, interest rate (in percent)     5.849% 5.849%   5.849%       5.849%   5.849%      
Debt instrument, discount rate on underwriting (in percent)     0.00350                        
Total debt       $ 750,000   $ 750,000       $ 750,000   $ 750,000      
Senior Secured Notes (the "2034 Notes") | Senior Subordinated Notes                              
Debt Instrument [Line Items]                              
Debt instrument, principal amount     $ 500,000                        
Debt instrument, interest rate (in percent)     6.00% 6.00%   6.00%       6.00%   6.00%      
Debt discount paid     $ 500                        
Debt instrument, discount rate on underwriting (in percent)     0.00450                        
Debt instrument, redemption price, percentage of principal amount redeemed     99.896%                        
Total debt       $ 500,000   $ 500,000       $ 500,000   $ 500,000      
Senior Secured Term Loan                              
Debt Instrument [Line Items]                              
Basis spread on variable rate (in percent)                   2.00%          
Senior Secured Term Loan | Minimum                              
Debt Instrument [Line Items]                              
Basis spread on variable rate (in percent)                   0.50%          
Senior Secured Term Loan | Senior Secured Term Loan                              
Debt Instrument [Line Items]                              
Debt instrument, principal amount                             $ 5,515,000
Debt instrument, interest rate (in percent)       5.732%   5.672%       5.732%   5.672%     1.00%
Total debt       $ 901,807   $ 916,688       $ 901,807   $ 916,688      
Senior Secured Revolving Loan Facility                              
Debt Instrument [Line Items]                              
Long-term debt, term                         7 years   5 years
Senior Secured Revolving Loan Facility | Variable rate component two | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Standard & Poor's, BB Rating                              
Debt Instrument [Line Items]                              
Basis spread on variable rate (in percent)                   1.35%          
Senior Secured Revolving Loan Facility | Variable rate component two | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Standard & Poor's, BB+ Rating                              
Debt Instrument [Line Items]                              
Basis spread on variable rate (in percent)                   1.00%          
Senior Secured Revolving Loan Facility | Variable rate component two | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Standard & Poor's, BBB- Rating                              
Debt Instrument [Line Items]                              
Basis spread on variable rate (in percent)                   0.75%          
Senior Secured Revolving Loan Facility | Variable rate component two | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Standard & Poor's, BBB Rating                              
Debt Instrument [Line Items]                              
Basis spread on variable rate (in percent)                   0.55%          
Senior Secured Revolving Loan Facility | Variable rate component two | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Standard & Poor's, BBB+ Rating                              
Debt Instrument [Line Items]                              
Basis spread on variable rate (in percent)                   0.40%          
Senior Secured Revolving Loan Facility | Minimum | Variable rate component one | Base rate                              
Debt Instrument [Line Items]                              
Basis spread on variable rate (in percent)                   0.00%          
Senior Secured Revolving Loan Facility | Maximum | Variable rate component one | Base rate                              
Debt Instrument [Line Items]                              
Basis spread on variable rate (in percent)                   0.35%          
Senior Secured Revolving Loan Facility | Senior Secured Revolving Loan Facility | Senior Secured Revolving Loan                              
Debt Instrument [Line Items]                              
Debt instrument, maximum borrowing capacity                           $ 500,000 $ 300,000
Drawdown of credit lines and loan facilities       0 $ 0 0 $ 0 $ 0 $ 50,000 $ 0   50,000      
Repayments of lines of credit       0 0 0 0 0 50,000 0   50,000      
Long-term debt       0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0      
Senior Secured Credit Facility And Senior Secured Notes | Senior Secured Term Loan                              
Debt Instrument [Line Items]                              
Debt discount paid                             27,600
Senior Secured Notes | Senior Subordinated Notes                              
Debt Instrument [Line Items]                              
Debt instrument, principal amount                             $ 500,000
Debt instrument, interest rate (in percent)                             2.875%
Bridge Secured Credit Facility | Senior Secured Term Loan                              
Debt Instrument [Line Items]                              
Debt instrument, principal amount   $ 500,000                          
Basis spread on variable rate (in percent)                   1.00%          
Debt issue costs                   $ 2,300          
Bridge Secured Credit Facility | Senior Secured Term Loan | Subsequent Event                              
Debt Instrument [Line Items]                              
Drawdown of credit lines and loan facilities $ 500,000                            
Bridge Secured Credit Facility | Senior Secured Term Loan | Minimum                              
Debt Instrument [Line Items]                              
Basis spread on variable rate (in percent)   1.00%                          
Bridge Secured Credit Facility | Senior Secured Term Loan | Maximum                              
Debt Instrument [Line Items]                              
Basis spread on variable rate (in percent)   2.25%                          
Senior Secured Notes (the "2026 Notes") | Senior Subordinated Notes                              
Debt Instrument [Line Items]                              
Debt instrument, interest rate (in percent)           2.875%           2.875%      
Total debt       $ 500,000   $ 500,000       $ 500,000   $ 500,000      
Senior Secured Notes (the "2026 Notes") | Senior Subordinated Notes | Subsequent Event                              
Debt Instrument [Line Items]                              
Debt instrument, interest rate (in percent) 2.875%                            
Repayments of lines of credit $ 500,000