Cash and Cash Equivalents and Funds Held for Clients (Tables)
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12 Months Ended |
Jun. 30, 2026 |
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| Cash and Cash Equivalents and Funds Held for Clients [Abstract] |
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| Schedule of cash and cash equivalents and funds held for clients |
Cash and cash equivalents and Funds held for clients consisted of the following: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | June 30, 2025 | | Type of Issue | | Amortized cost | | Gross unrealized gains | | Gross unrealized losses | | Fair value | | Cash and cash equivalents | | $ | 398,070 | | $ | — | | $ | — | | $ | 398,070 | | Funds held for clients' cash and cash equivalents | | 2,084,456 | | — | | — | | 2,084,456 | | Available-for-sale securities: | | | | | | | | | | Corporate bonds | | 372,171 | | 6,497 | | (76) | | 378,592 | | Asset-backed securities | | 51,709 | | 476 | | (7) | | 52,178 | | Certificates of deposit | | 61,681 | | 9 | | (3) | | 61,687 | | U.S treasury securities | | 84,889 | | 402 | | (27) | | 85,264 | | Commercial paper | | 17,273 | | — | | (1) | | 17,272 | | | | | | | | | | | Other | | 24,378 | | 310 | | — | | 24,688 | | Total available-for-sale securities | | 612,101 | | 7,694 | | (114) | | 619,681 | | Total investments | | $ | 3,094,627 | | $ | 7,694 | | $ | (114) | | $ | 3,102,207 |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | June 30, 2026 | | Type of Issue | | Amortized cost | | Gross unrealized gains | | Gross unrealized losses | | Fair value | | Cash and cash equivalents | | $ | 271,917 | | $ | — | | $ | — | | $ | 271,917 | | Funds held for clients' cash and cash equivalents | | 2,598,049 | | — | | — | | 2,598,049 | | Available-for-sale securities: | | | | | | | | | | | | | | | | | | | Corporate bonds | | 506,538 | | 2,571 | | (3,439) | | 505,670 | | Asset-backed securities | | 38,987 | | 97 | | (107) | | 38,977 | | | | | | | | | | | U.S treasury securities | | 38,800 | | 41 | | (19) | | 38,822 | | | | | | | | | | | | | | | | | | | | Other | | 29,016 | | 154 | | (184) | | 28,986 | | Total available-for-sale securities | | 613,341 | | 2,863 | | (3,749) | | 612,455 | | Total investments | | $ | 3,483,307 | | $ | 2,863 | | $ | (3,749) | | $ | 3,482,421 |
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| Schedule of the classification of investments |
Classification of investments on the consolidated balance sheets was as follows: | | | | | | | | | | | | | June 30, | | 2025 | | 2026 | | Cash and cash equivalents | $ | 398,070 | | $ | 271,917 | | | | | | Funds held for clients | 2,704,137 | | 3,210,504 | | | | | | Total investments | $ | 3,102,207 | | $ | 3,482,421 |
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| Schedule of available-for-sale securities that have been in an unrealized loss position for less and greater than 12 months |
Available-for-sale securities that have been in an unrealized loss position for a period of less and greater than 12 months as of June 30, 2025 and 2026 had fair market value as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | June 30, 2025 | | Securities in an unrealized loss
position for less than 12 months | | Securities in an unrealized loss
position for greater than 12 months | | Total | | Gross unrealized losses | | Fair value | | Gross unrealized losses | | Fair value | | Gross unrealized losses | | Fair value | | Corporate bonds | $ | (9) | | $ | 10,002 | | $ | (67) | | $ | 8,279 | | $ | (76) | | $ | 18,281 | | Asset-backed securities | (4) | | 4,154 | | (3) | | 2,948 | | (7) | | 7,102 | | Certificates of deposit | (3) | | 19,468 | | — | | — | | (3) | | 19,468 | | U.S. treasury securities | (25) | | 37,581 | | (2) | | 998 | | (27) | | 38,579 | | Commercial paper | (1) | | 17,272 | | — | | — | | (1) | | 17,272 | | | | | | | | | | | | | | | | | | | | | | | | | | Total available-for-sale securities | $ | (42) | | $ | 88,477 | | $ | (72) | | $ | 12,225 | | $ | (114) | | $ | 100,702 |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | June 30, 2026 | | Securities in an unrealized loss
position for less than 12 months | | Securities in an unrealized loss
position for greater than 12 months | | Total | | Gross unrealized losses | | Fair value | | Gross unrealized losses | | Fair value | | Gross unrealized losses | | Fair value | | Corporate bonds | $ | (3,431) | | 253,572 | | $ | (8) | | $ | 1,947 | | $ | (3,439) | | $ | 255,519 | | Asset-backed securities | (107) | | 18,105 | | — | | — | | (107) | | 18,105 | | | | | | | | | | | | | | U.S. treasury securities | (19) | | 31,823 | | — | | — | | (19) | | 31,823 | | | | | | | | | | | | | | | | | | | | | | | | | | Other | (184) | | 12,235 | | — | | — | | (184) | | 12,235 | | Total available-for-sale securities | $ | (3,741) | | $ | 315,735 | | $ | (8) | | $ | 1,947 | | $ | (3,749) | | $ | 317,682 |
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| Schedule of expected maturities of available-for-sale securities |
Expected maturities of available-for-sale securities at June 30, 2026 were as follows: | | | | | | | | | | | | | Amortized cost | | Fair value | | One year or less | $ | 65,383 | | $ | 65,587 | | One year to two years | 49,381 | | 49,489 | | Two years to three years | 191,146 | | 192,912 | | Three years to five years | 297,696 | | 294,659 | | Five years and thereafter | 9,735 | | 9,808 | | Total available-for-sale securities | $ | 613,341 | | $ | 612,455 |
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