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v3.24.0.1

Debt - Additional Information (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 USD ($) d $ / shares | Dec. 31, 2022 USD ($) | Feb. 15, 2024 USD ($)
Debt Instrument [Line Items] |  |  |
Debt | $ 2,537,500,000 | $ 2,535,300,000 |
Senior bank debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt | 349,900,000 | 349,900,000 |
Senior bank debt | Revolver |  |  |
Debt Instrument [Line Items] |  |  |
Available borrowing | 1,250,000,000 |  |
Additional borrowing amount | 500,000,000 |  |
Outstanding borrowings | 0 | 0 |
Commitment fee amount | 1,300,000 | 1,300,000 |
Senior bank debt | Term Loan |  |  |
Debt Instrument [Line Items] |  |  |
Available borrowing | 350,000,000 |  |
Additional borrowing amount | 75,000,000 |  |
Debt | $ 350,000,000 | $ 350,000,000 |
Weighted average interest rate on amount outstanding | 6.31% | 5.27% |
Senior bank debt | Term Loan | SOFR Adjustment |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread over variable debt rate | 0.10% |  |
Senior bank debt | Term Loan | SOFR |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread over variable debt rate | 0.85% |  |
Senior notes |  |  |
Debt Instrument [Line Items] |  |  |
Debt | $ 1,096,900,000 | $ 1,095,200,000 |
Senior notes | 2024 Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Redemption price percentage | 100.00% |  |
Par value | $ 400,000,000.0 |  |
Stated interest rate | 4.25% |  |
Senior notes | 2024 Senior Notes | Subsequent Event |  |  |
Debt Instrument [Line Items] |  |  |
Par value |  |  | $ 400,000,000
Stated interest rate |  |  | 4.25%
Senior notes | 2024 Senior Notes | Treasury Rate |  |  |
Debt Instrument [Line Items] |  |  |
Applicable basis spread over redemption price percentage | 0.25% |  |
Senior notes | 2025 Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Redemption price percentage | 100.00% |  |
Par value | $ 350,000,000.0 |  |
Stated interest rate | 3.50% |  |
Senior notes | 2025 Senior Notes | Treasury Rate |  |  |
Debt Instrument [Line Items] |  |  |
Applicable basis spread over redemption price percentage | 0.25% |  |
Senior notes | 2030 Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Redemption price percentage | 100.00% |  |
Par value | $ 350,000,000.0 |  |
Stated interest rate | 3.30% |  |
Senior notes | 2030 Senior Notes | Treasury Rate |  |  |
Debt Instrument [Line Items] |  |  |
Applicable basis spread over redemption price percentage | 0.40% |  |
Junior subordinated notes |  |  |
Debt Instrument [Line Items] |  |  |
Debt | $ 751,800,000 | 751,600,000 |
Junior subordinated notes | 2059 Junior Subordinated Notes |  |  |
Debt Instrument [Line Items] |  |  |
Par value | $ 300,000,000.0 |  |
Stated interest rate | 5.875% |  |
Junior subordinated notes | 2059 Junior Subordinated Notes | On or after September 30, 2026 |  |  |
Debt Instrument [Line Items] |  |  |
Redemption price percentage | 100.00% |  |
Junior subordinated notes | 2059 Junior Subordinated Notes | If changes in tax laws and interpretations occur |  |  |
Debt Instrument [Line Items] |  |  |
Redemption price percentage | 100.00% |  |
Junior subordinated notes | 2059 Junior Subordinated Notes | If a rating agency makes certain changes relating to the equity credit criteria for securities |  |  |
Debt Instrument [Line Items] |  |  |
Redemption price percentage | 102.00% |  |
Junior subordinated notes | 2060 Junior Subordinated Notes |  |  |
Debt Instrument [Line Items] |  |  |
Par value | $ 275,000,000.0 |  |
Stated interest rate | 4.75% |  |
Junior subordinated notes | 2060 Junior Subordinated Notes | On or after September 30, 2026 |  |  |
Debt Instrument [Line Items] |  |  |
Redemption price percentage | 100.00% |  |
Junior subordinated notes | 2060 Junior Subordinated Notes | If changes in tax laws and interpretations occur |  |  |
Debt Instrument [Line Items] |  |  |
Redemption price percentage | 100.00% |  |
Junior subordinated notes | 2060 Junior Subordinated Notes | If a rating agency makes certain changes relating to the equity credit criteria for securities |  |  |
Debt Instrument [Line Items] |  |  |
Redemption price percentage | 102.00% |  |
Junior subordinated notes | 2061 Junior Subordinated Notes |  |  |
Debt Instrument [Line Items] |  |  |
Par value | $ 200,000,000.0 |  |
Stated interest rate | 4.20% |  |
Junior subordinated notes | 2061 Junior Subordinated Notes | On or after September 30, 2026 |  |  |
Debt Instrument [Line Items] |  |  |
Redemption price percentage | 100.00% |  |
Junior subordinated notes | 2061 Junior Subordinated Notes | If changes in tax laws and interpretations occur |  |  |
Debt Instrument [Line Items] |  |  |
Redemption price percentage | 100.00% |  |
Junior subordinated notes | 2061 Junior Subordinated Notes | If a rating agency makes certain changes relating to the equity credit criteria for securities |  |  |
Debt Instrument [Line Items] |  |  |
Redemption price percentage | 102.00% |  |
Junior convertible securities |  |  |
Debt Instrument [Line Items] |  |  |
Debt | $ 338,900,000 | 338,600,000 |
Junior convertible securities | Junior Convertible Trust Preferred Securities |  |  |
Debt Instrument [Line Items] |  |  |
Debt | $ 341,700,000 |  |
Stated interest rate | 5.15% |  |
Unamortized debt issuance expense | $ 2,900,000 | 3,100,000 |
Conversion ratio (in shares) | 0.2558 |  |
Face amount of convertible security (in dollars per share) | $ / shares | $ 50.00 |  |
Conversion price (in dollars per share) | $ / shares | $ 195.47 |  |
Number of trading days closing price has exceeded threshold | d | 20 |  |
Number of consecutive trading days | d | 30 |  |
Debt instrument, convertible, threshold percentage | 1.30 |  |
Deferred tax liability | $ 9,000,000 |  |
Repayments of convertible debt |  | 60,900,000 |
Deferred tax liabilities, net, decrease resulting from repurchase of junior convertible securities |  | $ 11,400,000 |

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