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Equity (Tables) | 6 Months Ended
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Jun. 30, 2025
Share-Based Payment Arrangement [Abstract] |
Schedule of Share-Based Compensation Expense | Compensation expense related to stock-based awards was recorded as follows:
| Three Months Ended June 30, |  | Six Months Ended June 30,
(in millions) | 2025 |  | 2024 |  | 2025 |  | 2024
Cost of revenue | $ | 0.2 |  |  | $ | 0.2 |  |  | $ | 0.4 |  |  | $ | 0.4 |
Research and development expenses | 2.9 |  |  | 2.1 |  |  | 5.5 |  |  | 4.2 |
Selling, general and administrative expenses | 4.4 |  |  | 14.6 |  |  | 19.8 |  |  | 26.6 |
Total | $ | 7.5 |  |  | $ | 17.0 |  |  | $ | 25.7 |  |  | $ | 31.2 |
Schedule of Valuation Assumptions | The weighted-average assumptions used in the Monte Carlo model for PSUs granted were:
Risk-free interest rate | 4.0%
Expected stock price volatility | 41.7%
Peer group stock price volatility | 46.0%
Correlation of returns | 27.0%

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- Definition Tabular disclosure of share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 50 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/718-50/tableOfContent Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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