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Employee Benefit Plans (Tables) | 6 Months Ended
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Dec. 31, 2024
Retirement Benefits [Abstract] |
Summary of Components of Stock-Based Compensation Expense | The following table represents pre-tax stock-based compensation expense for the three and six months ended December 31, 2024 and 2023, respectively:
| Three Months Ended |  | Six Months Ended
| December 31, |  | December 31,
| 2024 |  | 2023 |  | 2024 |  | 2023
Operating expenses | $ | 9.2 |  |  | $ | 7.4 |  |  | $ | 18.3 |  |  | $ | 14.8 |
Selling, general and administrative expenses | 59.6 |  |  | 57.6 |  |  | 101.9 |  |  | 100.4 |
Research and development | 10.3 |  |  | 8.6 |  |  | 19.5 |  |  | 17.2 |
Total stock-based compensation expense | $ | 79.1 |  |  | $ | 73.6 |  |  | $ | 139.7 |  |  | $ | 132.4 |
Summary of Net Benefit Costs | The components of net pension income were as follows:
| Three Months Ended |  |  |  | Six Months Ended
| December 31, |  |  |  | December 31,
| 2024 |  | 2023 |  |  |  |  |  | 2024 |  | 2023
Service cost – benefits earned during the period | $ | 1.5 |  |  | $ | 1.3 |  |  |  |  |  |  | $ | 3.0 |  |  | $ | 2.6 |
Interest cost on projected benefits | 21.9 |  |  | 21.1 |  |  |  |  |  |  | 43.7 |  |  | 42.3 |
Expected return on plan assets | (29.0) |  |  | (29.0) |  |  |  |  |  |  | (58.0) |  |  | (58.0) |
Net amortization and deferral | 0.7 |  |  | 0.8 |  |  |  |  |  |  | 1.5 |  |  | 1.5 |
Net pension income | $ | (4.9) |  |  | $ | (5.8) |  |  |  |  |  |  | $ | (9.8) |  |  | $ | (11.6) |

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- Definition Tabular disclosure of share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -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 components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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