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v3.25.4

Related-Party Transactions (Details) $ / shares in Units, $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2025 £ / shares | Dec. 31, 2025 USD ($) $ / shares shares | Dec. 31, 2024 £ / shares | Dec. 31, 2024 USD ($) $ / shares shares | Dec. 31, 2023 $ / shares
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Common stock, par value (in GBP per share) | £ / shares |  |  | £ 0.50 |  | £ 0.50 |  |
Nikkei-MEL Co. Limited |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  | 50.00% |  |  |
Ordinary shares |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Common stock, par value (in GBP per share) | (per share) |  |  | £ 0.50 | $ 0.50 | £ 0.50 | $ 0.50 | $ 0.50
Related party | Nikkei-MEL Co. Limited |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Accounts receivable, related parties | $ |  |  |  | $ 0.2 |  | $ 0.1 |
Related party | Elektron |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Sales to related parties | $ | $ 0.5 | $ 0.5 |  |  |  |  |
Executive Leadership Team | Ordinary shares |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Number of common stock owned by related parties (in shares) | shares |  |  |  | 357,959 |  | 321,731 |
Number of awards held by related parties (in shares) | shares |  |  |  | 966,029 |  | 906,024 |

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