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v3.25.1

Investments (Tables) | 9 Months Ended
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Mar. 30, 2025
Investments, Debt and Equity Securities [Abstract] |
Schedule of Short-term Investments by Type |
(in millions of U.S. Dollars) |  | March 30, 2025
|  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Credit Loss Allowance |  | Estimated Fair Value
U.S. treasury securities |  | $224.7 |  |  | $0.1 |  |  | $— |  |  | $— |  |  | $224.8 |
Corporate bonds |  | 263.7 |  |  | 0.4 |  |  | (2.0) |  |  | — |  |  | 262.1 |
Municipal bonds |  | 93.1 |  |  | 0.1 |  |  | (0.7) |  |  | — |  |  | 92.5 |
Certificates of deposit |  | 17.0 |  |  | — |  |  | — |  |  | — |  |  | 17.0 |
Commercial paper |  | 3.0 |  |  | — |  |  | — |  |  | — |  |  | 3.0 |
Total short-term investments |  | $601.5 |  |  | $0.6 |  |  | ($2.7) |  |  | $— |  |  | $599.4 |
|  | June 30, 2024
(in millions of U.S. Dollars) |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Credit Loss Allowance |  | Estimated Fair Value
U.S. treasury securities |  | $553.3 |  |  | $— |  |  | ($0.6) |  |  | $— |  |  | $552.7 |
Corporate bonds |  | 423.5 |  |  | 0.2 |  |  | (6.7) |  |  | — |  |  | 417.0 |
Municipal bonds |  | 102.8 |  |  | — |  |  | (2.0) |  |  | — |  |  | 100.8 |
Certificates of deposit |  | 31.5 |  |  | — |  |  | — |  |  | — |  |  | 31.5 |
Commercial paper |  | 16.7 |  |  | — |  |  | — |  |  | — |  |  | 16.7 |
U.S. agency securities |  | 10.0 |  |  | — |  |  | — |  |  | — |  |  | 10.0 |
Total short-term investments |  | $1,137.8 |  |  | $0.2 |  |  | ($9.3) |  |  | $— |  |  | $1,128.7 |
Schedule of Gross Unrealized Losses and Fair Value of Short-term Investments by Type and Length of Time | The following tables present the gross unrealized losses and estimated fair value of the Company’s short-term investments, aggregated by investment type and the length of time that individual securities have been in a continuous unrealized loss position (in millions of U.S. Dollars):
|  | March 30, 2025
|  | Less than 12 Months |  | Greater than 12 Months |  | Total
|  | Fair Value |  | Unrealized Loss |  | Fair Value |  | Unrealized Loss |  | Fair Value |  | Unrealized Loss
Corporate bonds |  | $82.5 |  |  | ($0.6) |  |  | $48.1 |  |  | ($1.4) |  |  | $130.6 |  |  | ($2.0) |
U.S. treasury securities |  | 37.9 |  |  | — |  |  | — |  |  | — |  |  | 37.9 |  |  | — |
Municipal bonds |  | 32.3 |  |  | (0.2) |  |  | 23.2 |  |  | (0.5) |  |  | 55.5 |  |  | (0.7) |
Total |  | $152.7 |  |  | ($0.8) |  |  | $71.3 |  |  | ($1.9) |  |  | $224.0 |  |  | ($2.7) |
Number of securities with an unrealized loss |  |  |  | 55 |  |  |  |  | 31 |  |  |  |  | 86 |
|  | June 30, 2024
|  | Less than 12 Months |  | Greater than 12 Months |  | Total
|  | Fair Value |  | Unrealized Loss |  | Fair Value |  | Unrealized Loss |  | Fair Value |  | Unrealized Loss
Corporate bonds |  | $135.2 |  |  | ($0.2) |  |  | $183.4 |  |  | ($6.5) |  |  | $318.6 |  |  | ($6.7) |
U.S. treasury securities |  | 507.4 |  |  | (0.4) |  |  | 35.9 |  |  | (0.2) |  |  | 543.3 |  |  | (0.6) |
Municipal bonds |  | 9.0 |  |  | — |  |  | 74.3 |  |  | (2.0) |  |  | 83.3 |  |  | (2.0) |
U.S. agency securities |  | 14.9 |  |  | — |  |  | 10.0 |  |  | — |  |  | 24.9 |  |  | — |
Total |  | $666.5 |  |  | ($0.6) |  |  | $303.6 |  |  | ($8.7) |  |  | $970.1 |  |  | ($9.3) |
Number of securities with an unrealized loss |  |  |  | 141 |  |  |  |  | 66 |  |  |  |  | 207 |
Schedule of Contractual Maturities of Short-term Investments by Type | The contractual maturities of short-term investments as of March 30, 2025 were as follows:
(in millions of U.S. Dollars) |  | Within One Year |  | After One, Within Five Years |  |  |  | After Ten Years |  | Total
U.S. treasury securities |  | $210.0 |  |  | $14.8 |  |  |  |  | $— |  |  | $224.8 |
Corporate bonds |  | 190.2 |  |  | 71.9 |  |  |  |  | — |  |  | 262.1 |
Municipal bonds |  | 54.8 |  |  | 35.3 |  |  |  |  | 2.4 |  |  | 92.5 |
Certificates of deposit |  | 17.0 |  |  | — |  |  |  |  | — |  |  | 17.0 |
Commercial paper |  | 3.0 |  |  | — |  |  |  |  | — |  |  | 3.0 |
Total short-term investments |  | $475.0 |  |  | $122.0 |  |  |  |  | $2.4 |  |  | $599.4 |

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