| USD ($) $ in Thousands | Jun 30, 2026 | Mar 31, 2026 | Sep 30, 2025 | Jun 30, 2025 | Mar 31, 2025 | Sep 30, 2024 | Jun 30, 2024 | Mar 31, 2024 | Sep 30, 2023 | Jun 30, 2023 | Mar 31, 2023 | Sep 30, 2022 | Jun 30, 2022 | Mar 31, 2022 | Sep 30, 2021 | Jun 30, 2021 | Mar 31, 2021 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Operating Activities | |||||||||||||||||
Net income | $ 1,266,538 | $ 1,205,613 | $ 835,545 | $ 819,531 | $ 576,419 | $ 434,420 | $ 309,969 | $ 236,183 | $ 108,639 | $ 80,357 | $ (4,518) | $ 23,662 | |||||
Adjustments to reconcile net income to net cash provided by operating activities: | |||||||||||||||||
Amortization, depreciation and write-offs | 32,563 | 33,665 | 35,102 | 47,053 | 79,887 | 99,635 | 108,541 | 112,667 | 121,797 | 119,892 | 128,208 | 163,830 | |||||
Goodwill impairment | - | 0 | - | - | 188,943 | - | - | - | - | - | - | - | |||||
Stock-based compensation, excluding cash-settled awards | 85,609 | 83,372 | 33,141 | 35,745 | 61,281 | 81,557 | 98,724 | 95,253 | 110,839 | 81,253 | 82,966 | 42,147 | |||||
Gain on divestiture, net of transaction costs | - | - | - | (106,229) | - | - | - | - | - | - | - | - | |||||
Change in operating right-of-use asset | - | - | - | - | - | - | - | - | 4,839 | 3,433 | 3,460 | 3,167 | |||||
Amortization of debt issuance costs and discount | - | - | - | - | - | - | - | - | 3,080 | 3,333 | 3,250 | 2,865 | |||||
Loss on settlement of debt | - | - | - | - | - | - | - | - | 4,337 | - | - | - | |||||
Other | (25,652) | (16,478) | 39,270 | 33,531 | 8,086 | 6,929 | 1,760 | 8,540 | (2,889) | (3,446) | 2,429 | 2,133 | |||||
Lease modification and abandonment of leasehold improvements | - | - | - | - | - | - | - | - | - | - | - | - | |||||
Loss on extinguishments of acquisition related contingent consideration | - | - | - | - | - | - | - | - | - | - | - | - | |||||
Change in fair value of contingent consideration | - | - | - | - | - | - | - | - | - | - | - | - | |||||
Net unrealized loss (gain) on fair value remeasurements | - | - | - | - | - | - | - | - | - | - | - | - | |||||
Net (gain) loss on foreign currency remeasurements | - | - | - | - | - | - | - | - | - | - | - | - | |||||
Changes in operating assets and liabilities: | |||||||||||||||||
Accounts receivable | (214,459) | (138,098) | (35,196) | (124,169) | (167,382) | (112,345) | (40,349) | (84,836) | (180,067) | (32,343) | 65,614 | 24,066 | |||||
Prepaid expenses and other assets | (47,063) | (9,827) | 63,783 | 72,552 | (51,861) | 7,038 | (652) | 26,813 | 30,806 | 14,302 | (16,413) | (41,249) | |||||
Other assets | - | - | - | - | - | - | - | - | (55,162) | (1,881) | (1,136) | (7,649) | |||||
Accounts payable | 79,173 | (49,556) | (36,971) | 6,495 | 32,545 | 40,122 | (2,603) | 18,056 | 20,220 | (21,987) | 9,722 | (21,654) | |||||
Operating lease liabilities | - | - | - | - | - | - | - | - | (5,149) | (3,617) | (3,487) | (3,299) | |||||
Accrued and other liabilities | (307,669) | 182,702 | 118,748 | (12,283) | 103,794 | (6,654) | (20,863) | (19,897) | 33,449 | (17,027) | 15,994 | (10,440) | |||||
Deferred revenue | - | - | - | - | - | - | - | - | 4,327 | 7,525 | 2,573 | (2,619) | |||||
Net cash provided by operating activities | 869,040 | 1,291,393 | 1,053,422 | 772,226 | 831,712 | 550,702 | 454,527 | 392,779 | 199,066 | 229,794 | 288,662 | 174,482 | |||||
Investing Activities | |||||||||||||||||
Proceeds from divestiture, net of cash divested | - | - | (17,405) | 424,702 | - | - | - | - | - | - | - | - | |||||
Acquisitions, net of cash acquired | - | - | - | - | - | - | - | - | (13,460) | (36,162) | (2,194) | (41,346) | |||||
Purchase of non-marketable equity securities | - | 0 | (1,500) | - | (18,678) | (650) | (48,000) | (28,333) | (100) | - | (16,834) | - | |||||
Acquisition of intangible assets | - | - | - | - | - | (3,200) | (15,089) | - | - | - | - | - | |||||
Other investing activities | (2,441) | (5,247) | (723) | (23,154) | (3,986) | (2,546) | (5,267) | (3,302) | - | - | - | 1,495 | |||||
Capitalized software development costs | - | - | - | - | - | - | - | - | (2,090) | (2,306) | (2,127) | (1,938) | |||||
Purchase of property and equipment | - | - | - | - | - | - | - | - | (183) | (3,749) | (70) | (221) | |||||
Proceeds from sale of assets | - | - | - | - | - | - | - | - | - | - | 8,250 | - | |||||
Net cash provided by (used in) investing activities | (2,441) | (5,247) | (19,628) | 401,548 | (22,664) | (6,396) | (68,356) | (31,635) | (15,833) | (42,217) | (12,975) | (42,010) | |||||
Financing Activities | |||||||||||||||||
Repurchases of common stock | (551,229) | (981,723) | (501,900) | (271,518) | (1,000,911) | (228,448) | - | (752,224) | (581,492) | (507,204) | (64,897) | (94,865) | |||||
Payment of withholding taxes related to net share settlement | (19,577) | (26,874) | (60,232) | (70,983) | (185,667) | (207,962) | (356,336) | (80,144) | (59,243) | (37,436) | (19,167) | - | |||||
Payments of licensed asset obligation | - | 0 | - | - | (13,532) | - | - | 0 | - | - | (15,254) | - | |||||
Principal payments on finance leases | - | - | - | - | - | - | - | - | (5,276) | (5,468) | (5,447) | (5,773) | |||||
Proceeds from the issuance of common stock under the Employee Stock Purchase Plan | - | - | - | - | - | - | - | - | - | 2,071 | - | - | |||||
Payments of deferred acquisition costs | - | - | - | - | - | - | - | - | (10,274) | - | (1,229) | (33,286) | |||||
Payment of debt issuance cost | - | - | - | - | - | - | - | - | (584) | (3,961) | - | - | |||||
Proceeds from issuance of debt | - | 0 | - | - | 200,000 | - | - | 1,072,330 | 210,281 | - | - | - | |||||
Proceeds from issuance of common stock in initial public offering, net of issuance costs as adjusted for cost reimbursement | - | - | - | - | - | - | - | - | - | - | - | - | |||||
Principal repayments of debt | - | - | - | (200,000) | 0 | (8,891) | (8,891) | (668,972) | (473,838) | (8,329) | (8,327) | (8,327) | |||||
Proceeds from issuance of common stock upon exercise of stock options and purchase of ESPP shares | - | - | 6,190 | 9,495 | 5,329 | 9,702 | 9,316 | 9,782 | 11,272 | 3,629 | 2,906 | 5,860 | |||||
Proceeds from revolving credit facility | - | - | - | - | - | - | - | - | 185,000 | - | - | - | |||||
Other financing activities | 387 | (3,635) | (4,318) | (4,371) | (7,436) | (5,476) | (5,089) | (5,384) | - | - | - | - | |||||
Payments of deferred IPO costs | - | - | - | - | - | - | - | - | - | - | - | - | |||||
Net cash used in financing activities | (570,419) | (1,012,232) | (560,260) | (537,377) | (1,002,217) | (441,075) | (361,000) | (424,612) | (724,154) | (556,698) | (111,415) | (136,391) | |||||
Effect of foreign exchange rate on cash and cash equivalents | (1,545) | (2,339) | 757 | 5,187 | 2,782 | 3,916 | (1,058) | (2,348) | (2,815) | (545) | 1,137 | (4,133) | |||||
Net increase in cash and cash equivalents, including cash from discontinued operations | 294,635 | 271,575 | 474,291 | 641,584 | (190,387) | 107,147 | 24,113 | (65,816) | (543,736) | (369,666) | 165,409 | (8,052) | |||||
Less: net decrease in cash from discontinued operations | - | 0 | - | (44,381) | - | - | - | - | - | - | - | - | |||||
Net increase in cash and cash equivalents | 294,635 | 271,575 | 474,291 | 495,578 | - | - | - | - | - | - | - | - | |||||
Supplemental non-cash investing and financing activities disclosures: | |||||||||||||||||
Issuance of common stock in connection with an acquisition | - | - | - | - | - | - | - | - | - | - | - | - | |||||
Issuance of convertible security related to acquisitions | - | - | - | - | - | - | - | - | - | - | - | - | |||||
Acquisitions not yet paid | - | 0 | - | - | 20,368 | - | (12,637) | 13,088 | (7,463) | (5,506) | 12,969 | (30,001) | |||||
Settlement of convertible security through issuance of common stock | - | - | - | - | - | - | - | - | - | - | - | - | |||||
Right-of-use assets acquired under finance leases | - | - | - | - | - | - | - | 9,942 | (4,898) | 246 | 45,318 | 19,564 | |||||
Right-of-use assets acquired under operating leases | - | - | - | - | - | - | - | - | 575 | 1,033 | 2,968 | 3,400 | |||||
Non-cash consideration received from divestiture | - | - | - | 285,000 | - | - | - | - | - | - | - | - | |||||
Transaction cost in connection with divestiture not yet paid | - | - | - | 17,405 | - | - | - | - | - | - | - | - | |||||
Right-of-use assets obtained in exchange for lease obligations, net of modifications | 2,292 | 58,027 | 6,961 | (37,155) | 3,967 | 11,959 | 12,568 | - | - | - | - | - | |||||
Repurchases of common stock included in accrued liabilities | (13,633) | 32,090 | - | - | - | - | - | 0 | - | (3,756) | 11,461 | - | |||||
Acquisitions of software licenses not yet paid | 11,897 | - | - | - | - | - | - | - | - | - | - | - | |||||
Settlement of bonus compensation through issuance of common stock | - | - | - | - | - | - | - | - | - | - | - | - | |||||
Deferred IPO costs not yet paid | - | - | - | - | - | - | - | - | - | - | - | - | |||||
Supplemental disclosure of cash flow information: | |||||||||||||||||
Cash paid for interest | 97,963 | 1,690 | 1,470 | 97,161 | 2,392 | 75,154 | 73,797 | 71,189 | 65,652 | 51,942 | 67,006 | 45,783 | |||||
Cash paid for income taxes, net of refunds | $ 533,143 | $ 106,677 | $ 66,670 | $ 95,024 | $ 5,597 | $ 29,061 | $ 29,186 | $ 3,578 | $ 5,941 | $ 4,992 | $ 1,816 | $ 39,241 |