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Short-Term Investments and Funds Held for Customers (Tables) | 9 Months Ended
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Mar. 31, 2025
Investments, Debt and Equity Securities [Abstract] |
Summary of Funds Held for Customers | The following table summarizes the assets underlying short-term investments and funds held for customers as of the dates presented (in thousands):
| March 31, 2025 |  | June 30, 2024
Short-term investments: |  |  |
Available-for-sale debt securities | $ | 1,125,349 |  |  | $ | 601,535 |
Total short-term investments | 1,125,349 |  |  | 601,535 |
Funds held for customers: |  |  |
Restricted cash | 478,641 |  |  | 779,838 |
Restricted cash equivalents | 1,551,076 |  |  | 1,408,691 |
Funds receivable | 21,756 |  |  | 11,870 |
Available-for-sale debt securities | 1,627,587 |  |  | 1,515,330 |
Total funds held for customers | 3,679,060 |  |  | 3,715,729 |
Less - interest income included in other current assets (1) | (21,842) |  |  | (10,822) |
Total funds held for customers, net of income earned by the Company | $ | 3,657,218 |  |  | $ | 3,704,907 |
(1) Represents interest income, accretion of discount (offset by amortization of premium), and net unrealized gains on customer funds that were invested in money market funds and short-term marketable debt securities. The Company contractually earns interest income on these investments, which is expected to be transferred into the Company’s corporate deposit account upon sale or settlement of the associated investment, and is not considered funds held for customers.
Summary of Fair Value of Funds Held for Customers Invested In Short Term Marketable Debt Securities and Funds Held for Customers | The following table summarizes the estimated fair value of available-for-sale debt securities included within short-term investments and funds held for customers as of the dates presented (in thousands):
| March 31, 2025
| Amortized cost |  | Gross unrealized gains |  | Gross unrealized losses |  | Fair value
Short-term investments: |  |  |  |  |  |  |
Corporate bonds | $ | 766,200 |  |  | $ | 1,777 |  |  | $ | (407) |  |  | $ | 767,570 |
U.S. treasury securities | 228,638 |  |  | 66 |  |  | (37) |  |  | 228,667 |
Asset-backed securities | 114,312 |  |  | 136 |  |  | (23) |  |  | 114,425 |
Certificates of deposit | 14,688 |  |  | — |  |  | (1) |  |  | 14,687 |
Total short-term investments | 1,123,838 |  |  | 1,979 |  |  | (468) |  |  | 1,125,349 |
Funds held for customers: |  |  |  |  |  |  |
U.S. treasury securities | 798,795 |  |  | 3,670 |  |  | (514) |  |  | 801,951 |
Corporate bonds | 478,345 |  |  | 1,946 |  |  | (3) |  |  | 480,288 |
Asset-backed securities | 187,169 |  |  | 816 |  |  | (1) |  |  | 187,984 |
Certificates of deposit | 151,331 |  |  | — |  |  | — |  |  | 151,331 |
Municipal bonds | 6,005 |  |  | 28 |  |  | — |  |  | 6,033 |
Total funds held for customers | $ | 1,621,645 |  |  | $ | 6,460 |  |  | $ | (518) |  |  | $ | 1,627,587 |
| June 30, 2024
| Amortized cost |  | Gross unrealized gains |  | Gross unrealized losses |  | Fair value
Short-term investments: |  |  |  |  |  |  |
Corporate bonds | $ | 298,628 |  |  | $ | 140 |  |  | $ | (566) |  |  | $ | 298,202 |
U.S. treasury securities | 181,225 |  |  | — |  |  | (242) |  |  | 180,983 |
Asset-backed securities | 59,340 |  |  | 68 |  |  | (45) |  |  | 59,363 |
Certificates of deposit | 38,370 |  |  | — |  |  | — |  |  | 38,370 |
U.S. agency securities | 24,669 |  |  | — |  |  | (52) |  |  | 24,617 |
Total short-term investments | 602,232 |  |  | 208 |  |  | (905) |  |  | 601,535 |
Funds held for customers: |  |  |  |  |  |  |
Corporate bonds | 937,989 |  |  | 23 |  |  | (814) |  |  | 937,198 |
Certificates of deposit | 119,615 |  |  | 1 |  |  | — |  |  | 119,616 |
Asset-backed securities | 116,542 |  |  | 11 |  |  | (78) |  |  | 116,475 |
U.S. treasury securities | 342,202 |  |  | 1 |  |  | (162) |  |  | 342,041 |
Total funds held for customers | $ | 1,516,348 |  |  | $ | 36 |  |  | $ | (1,054) |  |  | $ | 1,515,330 |
Summary of Fair Value of Available-for-Sale Debt Securities | The following table summarizes fair value of the Company's available-for-sale debt securities, included within short-term investments and funds held for customers, by remaining contractual maturity as of the dates presented (in thousands):
| March 31, 2025 |  | June 30, 2024
Due within 1 year | $ | 1,005,046 |  |  | $ | 1,699,009 |
Due in 1 year through 5 years | 1,746,690 |  |  | 409,309 |
Due in 5 years through 10 years | 1,200 |  |  | 8,547 |
Total | $ | 2,752,936 |  |  | $ | 2,116,865 |
Summary of Gross Unrealized Losses And Fair Values | The following table shows gross unrealized losses and fair values for those investments that were in an unrealized loss position as of the dates presented (in thousands):
| March 31, 2025
| Less than 12 months |  | 12 months or longer |  | Total
| Fair value |  | Unrealized losses |  | Fair value |  | Unrealized losses |  | Fair value |  | Unrealized losses
Short-term investments: |  |  |  |  |  |  |  |  |  |  |
Corporate bonds | $ | 197,133 |  |  | $ | (407) |  |  | $ | — |  |  | $ | — |  |  | $ | 197,133 |  |  | $ | (407) |
U.S. treasury securities | 120,047 |  |  | (37) |  |  | — |  |  | — |  |  | 120,047 |  |  | (37) |
Asset-backed securities | 44,153 |  |  | (23) |  |  | — |  |  | — |  |  | 44,153 |  |  | (23) |
Certificates of deposit | 3,919 |  |  | (1) |  |  | — |  |  | — |  |  | 3,919 |  |  | (1) |
Total short-term investments | 365,252 |  |  | (468) |  |  | — |  |  | — |  |  | 365,252 |  |  | (468) |
Funds held for customers: |  |  |  |  |  |  |  |  |  |  |
Corporate bonds | 7,112 |  |  | (3) |  |  | — |  |  | — |  |  | 7,112 |  |  | (3) |
Asset-backed securities | 13,766 |  |  | (1) |  |  | — |  |  | — |  |  | 13,766 |  |  | (1) |
U.S. treasury securities | 137,237 |  |  | (514) |  |  | — |  |  | — |  |  | 137,237 |  |  | (514) |
Total funds held for customers | $ | 158,115 |  |  | $ | (518) |  |  | $ | — |  |  | $ | — |  |  | $ | 158,115 |  |  | $ | (518) |
| June 30, 2024
| Less than 12 months |  | 12 months or longer |  | Total
| Fair value |  | Unrealized losses |  | Fair value |  | Unrealized losses |  | Fair value |  | Unrealized losses
Short-term investments: |  |  |  |  |  |  |  |  |  |  |
Corporate bonds | $ | 130,469 |  |  | $ | (333) |  |  | $ | 60,576 |  |  | $ | (232) |  |  | $ | 191,045 |  |  | $ | (565) |
U.S. treasury securities | 152,004 |  |  | (156) |  |  | 28,979 |  |  | (86) |  |  | 180,983 |  |  | (242) |
Asset-backed securities | 24,149 |  |  | (39) |  |  | 2,155 |  |  | (7) |  |  | 26,304 |  |  | (46) |
U.S. agency securities | 24,617 |  |  | (52) |  |  | — |  |  | — |  |  | 24,617 |  |  | (52) |
Total short-term investments | 331,239 |  |  | (580) |  |  | 91,710 |  |  | (325) |  |  | 422,949 |  |  | (905) |
Funds held for customers: |  |  |  |  |  |  |  |  |  |  |
Corporate bonds | 506,540 |  |  | (814) |  |  | — |  |  | — |  |  | 506,540 |  |  | (814) |
Asset-backed securities | 68,629 |  |  | (76) |  |  | 5,546 |  |  | (2) |  |  | 74,175 |  |  | (78) |
U.S. treasury securities | 327,340 |  |  | (162) |  |  | — |  |  | — |  |  | 327,340 |  |  | (162) |
Total funds held for customers | $ | 902,509 |  |  | $ | (1,052) |  |  | $ | 5,546 |  |  | $ | (2) |  |  | $ | 908,055 |  |  | $ | (1,054) |

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