v3.25.4

Debt - Additional Information (Detail) - USD ($) $ in Millions | 1 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Apr. 30, 2023 | Sep. 30, 2021 | Dec. 31, 2025 | Dec. 31, 2024
Debt Instrument [Line Items] |  |  |  |  |  |
Long-term debt, gross |  |  |  |  | $ 1,568.2 |
Leverage ratio |  |  |  |  | 4.25 |
Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Leverage ratio |  |  |  |  | 3.00 |
Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Leverage ratio |  |  |  |  | 3.75 |
Senior Notes | Senior Credit Facilities | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Consolidated unrestricted cash |  |  |  |  | $ 5.0 |
Senior Notes | Senior Credit Facilities | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Consolidated unrestricted cash |  |  |  |  | 250.0 |
Senior Notes | Senior Notes 4.550% Due 2028 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Face amount |  |  |  |  | $ 500.0 |
Average interest rate |  |  |  |  | 4.55% |
Long-term debt, gross |  |  |  |  | $ 500.0 | $ 500.0
Senior Notes | Senior Notes 2.750% Due 2031 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Average interest rate |  |  |  |  | 2.75% |
Long-term debt, gross |  |  |  |  | $ 300.0 | 300.0
Senior Notes | Senior Notes 5.650% Due 2033 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Average interest rate |  |  |  |  | 5.65% |
Long-term debt, gross |  |  |  |  | $ 500.0 | 500.0
Line of Credit | Senior Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt term | 5 years |  |  | 5 years |  |
Maximum borrowing capacity | $ 275.0 |  |  | $ 300.0 |  |
Line of Credit | Senior Notes | 2023 Term loan facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Long-term debt, gross |  |  | $ 300.0 |  | 0.0 | 277.5
Debt term |  |  | 5 years |  |  |
Line of Credit | Senior Notes | 2024 Term Loan Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 500.0 |  |  |  | 0.0 | 500.0
Debt term |  | 2 years |  |  |  |
Revolving Credit Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Long-term debt, gross |  |  |  |  | 0.0 | $ 0.0
Revolving Credit Facility | Senior Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt term | 5 years |  |  | 5 years |  |
Maximum borrowing capacity |  |  |  | $ 600.0 |  |
Increase limit | $ 300.0 |  |  |  |  |
Remaining borrowing capacity |  |  |  |  | $ 600.0 |

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