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v3.25.3

Commitments and contingencies - Additional Information (Details) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Feb. 28, 2025 USD ($) | Mar. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) site | Sep. 30, 2024 USD ($)
Commitments and contingencies |  |  |  |  |  |
Litigation settlement final payment with accrued interest |  |  |  |  | $ 1,600 |
Accrual for reasonably estimable environmental remediation and related matters |  |  | $ 69,278 |  | 13,135 |
Litigation settlement amount | $ 151,100 |  |  |  |  |
Litigation settlement amount payable |  | $ 56,100 |  |  |  |
Litigation settlement interest |  | 500 |  |  |  |
Litigation settlement from other party |  | $ 9,600 |  |  |  |
Aggregate income |  |  | $ 31,400 |  |  |
Insurance recoveries |  |  |  | $ 1,100 |  | $ 1,317
Environmental Remediation Sites NL Named As PRP Or Defendant |  |  |  |  |  |
Commitments and contingencies |  |  |  |  |  |
Accrual for reasonably estimable environmental remediation and related matters |  |  |  |  | $ 13,000 |
Number of sites associated with remediation and related costs | site |  |  |  |  | 29 |
Number of sites currently not able to reasonably estimate a range of costs | site |  |  |  |  | 5 |
Maximum | Environmental Remediation Sites NL Named As PRP Or Defendant |  |  |  |  |  |
Commitments and contingencies |  |  |  |  |  |
Upper end range, estimate costs for remediation and related matters |  |  |  |  | $ 38,000 |
Lead Pigment Litigation |  |  |  |  |  |
Commitments and contingencies |  |  |  |  |  |
First installment payment under the litigation. |  |  |  |  | $ 16,700 |

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