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v3.25.3

Fair value measurements and financial instruments - Financial instruments recorded on a fair value (Details) € in Millions, $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Aug. 31, 2025 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 EUR (€) | Sep. 15, 2025 EUR (€) | Mar. 31, 2025 EUR (€) | Dec. 31, 2024 USD ($)
Fair value measurements and financial instruments |  |  |  |  |  |  |  |
Market value, current |  | $ 3.1 | $ 3.1 |  |  |  |  | $ 1.9
Market value, noncurrent |  | 5.8 | 5.8 |  |  |  |  | 5.7
Earn-out liability |  |  |  |  |  |  |  | $ (4.3)
Foreign currency transaction loss |  | 0.4 |  |  |  |  |  |
Foreign currency transaction gain |  |  | 2.8 |  |  |  |  |
Currency transactions, net |  |  | 3.2 | $ 4.9 |  |  |  |
Foreign exchange forward | Kronos | Kronos International, Inc |  |  |  |  |  |  |  |
Fair value measurements and financial instruments |  |  |  |  |  |  |  |
Contract to purchase | € |  |  |  |  |  |  | € 25 |
Exchange rate |  |  |  |  |  |  | 1.05 |
Cash received from contract settlement | $ 2.8 |  |  |  |  |  |  |
Currency forward contract |  | $ 0.0 | $ 0.0 |  |  |  |  |
3.75% Senior Secured Notes due 2025 | Kronos | Kronos International, Inc |  |  |  |  |  |  |  |
Fair value measurements and financial instruments |  |  |  |  |  |  |  |
Debt instrument principal amount | € |  |  |  |  | € 75 | € 75 |  |
Debt instrument interest rate |  | 3.75% | 3.75% |  | 3.75% | 3.75% |  | 3.75%
Quoted prices in active markets (Level 1) |  |  |  |  |  |  |  |
Fair value measurements and financial instruments |  |  |  |  |  |  |  |
Market value, noncurrent |  | $ 2.9 | $ 2.9 |  |  |  |  | $ 2.6
Significant other observable input (Level 2) |  |  |  |  |  |  |  |
Fair value measurements and financial instruments |  |  |  |  |  |  |  |
Market value, current |  | 3.1 | 3.1 |  |  |  |  | 1.9
Market value, noncurrent |  | $ 2.9 | $ 2.9 |  |  |  |  | 3.1
Significant unobservable inputs (Level 3) |  |  |  |  |  |  |  |
Fair value measurements and financial instruments |  |  |  |  |  |  |  |
Earn-out liability |  |  |  |  |  |  |  | $ (4.3)

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