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Bank credit lines and loan facilities - Narrative (Details) $ in Thousands | Jun. 30, 2022 USD ($) | Apr. 11, 2022 USD ($) | Mar. 31, 2022 USD ($) | Dec. 29, 2021 USD ($) | Nov. 10, 2021 | Jul. 01, 2021 USD ($) | Dec. 31, 2021 USD ($)
--- | --- | --- | --- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term debt | $ 4,990,500 |  |  |  |  |  | $ 5,381,162
Long-term debt at fair value | $ 4,901,100 |  |  |  |  |  |
Senior Secured Credit Facility and Senior Secured Notes | Senior Secured Term Loan |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt discount paid |  |  |  |  |  | $ 27,600 |
Senior Secured Term Loan | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate (in percent) |  |  |  |  |  | 2.50% |
Variable rate, step down percentage (in percent) |  |  |  |  |  | 0.25% |
First lien net leverage ratio |  |  |  |  | 4 |  |
Decrease in basis spread on variable rate |  |  |  |  | 0.25% |  |
Senior Secured Term Loan | London Interbank Offered Rate (LIBOR) | Maximum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
First lien net leverage ratio |  |  |  |  |  | 4.00 |
Senior Secured Term Loan | London Interbank Offered Rate (LIBOR) | Minimum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate (in percent) |  |  |  |  |  | 0.50% |
First lien net leverage ratio |  |  |  |  |  | 1.00 |
Senior Secured Term Loan | Senior Secured Term Loan |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, principal amount |  |  |  |  |  | $ 5,515,000 |
Debt instrument, interest rate | 4.563% |  |  |  |  | 1.00% | 2.75%
Repayments of senior debt | $ 100,000 |  | $ 300,000 | $ 500,000 |  |  |
Interest paid | 39,400 |  | 35,100 | 40,800 |  |  |
Payments of debt restructuring costs | 900 |  | $ 3,200 | $ 5,600 |  |  |
Senior secured revolving loan facility | London Interbank Offered Rate (LIBOR) | Variable rate component two |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate (in percent) |  |  |  |  |  | 1.60% |
Senior secured revolving loan facility | London Interbank Offered Rate (LIBOR) | Maximum | Variable rate component two |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate (in percent) |  |  |  |  |  | 2.00% |
Senior secured revolving loan facility | London Interbank Offered Rate (LIBOR) | Minimum | Variable rate component two |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate (in percent) |  | 1.25% |  |  |  | 1.25% |
Senior secured revolving loan facility | Base rate | Variable rate component one |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate (in percent) |  |  |  |  |  | 0.60% |
Senior secured revolving loan facility | Base rate | Maximum | Variable rate component one |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate (in percent) |  |  |  |  |  | 1.00% |
Senior secured revolving loan facility | Base rate | Minimum | Variable rate component one |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate (in percent) |  |  |  |  |  | 0.25% |
Senior secured revolving loan facility | Senior Secured Term Loan |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, interest rate |  | 1.75% |  |  |  |  |
Long-term debt |  | $ 25,000 |  |  |  |  |
Line of credit facility, remaining borrowing capacity | $ 300,000 |  |  |  |  |  |
Senior secured revolving loan facility | Line of credit | Senior secured revolving loan facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, maximum borrowing capacity |  |  |  |  |  | $ 300,000 |
Senior Secured Notes | Senior Secured Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, principal amount |  |  |  |  |  | $ 500,000 |
Debt instrument, interest rate | 2.875% |  |  |  |  | 2.875% | 2.875%

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