| Income Statement (Quarterly) | 2025-07-31 | 2025-04-30 | 2025-01-31 | 2024-10-31 | 
|---|---|---|---|---|
| Revenue | 789,081,000 | 759,043,000 | 720,886,000 | 699,207,000 | 
| Cost of Revenue | 195,253,000 | 173,824,000 | 180,991,000 | 174,389,000 | 
| Gross Profit | 593,828,000 | 585,219,000 | 539,895,000 | 524,818,000 | 
| Operating Expenses | ||||
| R&D Expenses | 0 | 0 | 0 | 0 | 
| SG&A Expenses | 205,243,000 | 167,454,000 | 169,945,000 | 171,054,000 | 
| Operating Expenses | 397,920,000 | 351,487,000 | 351,472,000 | 343,465,000 | 
| Operating Income | 195,908,000 | 233,732,000 | 188,423,000 | 181,353,000 | 
| Interest Expense | 0 | 0 | 0 | 0 | 
| Income Before Tax | 265,364,000 | 298,821,000 | 245,130,000 | 242,290,000 | 
| Income Tax Expense | 65,055,000 | 70,631,000 | 49,505,000 | 56,482,000 | 
| Net Income | 200,309,000 | 228,190,000 | 195,625,000 | 185,808,000 | 
| Per Share | ||||
| EPS | 1.23 | 1.40 | 1.20 | 1.15 | 
| EPS Diluted | 0.00 | 0.00 | 0.00 | 0.00 | 
| Income Statement (Annual) | 2025-01-31 | 2024-01-31 | 2023-01-31 | 2022-01-31 | 
|---|---|---|---|---|
| Revenue | 2,746,619,000 | 2,363,673,000 | 2,155,060,000 | 1,465,069,000 | 
| Cost of Revenue | 699,636,000 | 677,291,000 | 609,405,000 | 408,928,000 | 
| Gross Profit | 2,046,983,000 | 1,686,382,000 | 1,545,655,000 | 1,056,141,000 | 
| Operating Expenses | ||||
| R&D Expenses | 0 | 0 | 0 | 0 | 
| SG&A Expenses | 662,470,000 | 628,017,000 | 566,286,000 | 384,127,000 | 
| Operating Expenses | 1,355,548,000 | 1,257,048,000 | 1,086,564,000 | 678,347,000 | 
| Operating Income | 691,435,000 | 429,334,000 | 459,091,000 | 377,794,000 | 
| Interest Expense | 0 | 0 | 0 | 0 | 
| Income Before Tax | 919,381,000 | 588,023,000 | 509,096,000 | 393,993,000 | 
| Income Tax Expense | 205,243,000 | 62,318,000 | 21,390,000 | 13,995,000 | 
| Net Income | 714,138,000 | 525,705,000 | 487,706,000 | 427,390,000 | 
| Per Share | ||||
| EPS | 4.41 | 3.27 | 3.14 | 2.52 | 
| EPS Diluted | 0.00 | 0.00 | 0.00 | 0.00 | 
| Balance Sheet (Quarterly) | 2025-01-31 | 2024-01-31 | 2023-01-31 | 2022-01-31 | 
|---|---|---|---|---|
| Assets | ||||
| Cash and Cash Equivalents | 1,118,785,000 | 703,487,000 | 886,465,000 | 730,504,000 | 
| Short Term Investments | 4,031,442,000 | 3,324,269,000 | 2,216,163,000 | 933,122,000 | 
| Net Receivables | 1,057,117,000 | 888,537,000 | 785,229,000 | 611,593,000 | 
| Inventory | 0 | 0 | 1 | 1 | 
| Total Current Assets | 6,308,802,000 | 5,003,211,000 | 3,969,313,000 | 2,310,826,000 | 
| Property Plant Equipment | 119,775,000 | 104,134,000 | 105,153,000 | 110,567,000 | 
| Goodwill and Intangibles | 484,337,000 | 502,894,000 | 522,353,000 | 550,624,000 | 
| Total Assets | 7,339,756,000 | 5,910,920,000 | 4,804,296,000 | 3,046,067,000 | 
| Liabilities | ||||
| Account Payables | 30,447,000 | 31,513,000 | 41,678,000 | 23,253,000 | 
| Short Term Debt | 9,969,000 | 9,334,000 | 11,306,000 | 11,725,000 | 
| Total Current Liabilities | 1,398,404,000 | 1,178,883,000 | 1,006,803,000 | 715,952,000 | 
| Long Term Debt | 65,806,000 | 46,441,000 | 49,670,000 | 51,393,000 | 
| Total Liabilities | 1,507,383,000 | 1,266,096,000 | 1,088,044,000 | 779,747,000 | 
| Shareholders Equity | ||||
| Retained Earnings | 3,454,595,000 | 2,740,457,000 | 2,214,752,000 | 1,299,656,000 | 
| Total Shareholders Equity | 5,832,373,000 | 4,644,824,000 | 3,716,252,000 | 2,266,320,000 | 
| Balance Sheet (Annual) | 2025-01-31 | 2024-01-31 | 2023-01-31 | 2022-01-31 | 
|---|---|---|---|---|
| Assets | ||||
| Cash and Cash Equivalents | 1,118,785,000 | 703,487,000 | 886,465,000 | 730,504,000 | 
| Short Term Investments | 4,031,442,000 | 3,324,269,000 | 2,216,163,000 | 933,122,000 | 
| Net Receivables | 1,057,117,000 | 888,537,000 | 785,229,000 | 611,593,000 | 
| Inventory | 0 | 0 | 1 | 1 | 
| Total Current Assets | 6,308,802,000 | 5,003,211,000 | 3,969,313,000 | 2,310,826,000 | 
| Property Plant Equipment | 119,775,000 | 104,134,000 | 105,153,000 | 110,567,000 | 
| Goodwill and Intangibles | 484,337,000 | 502,894,000 | 522,353,000 | 550,624,000 | 
| Total Assets | 7,339,756,000 | 5,910,920,000 | 4,804,296,000 | 3,046,067,000 | 
| Liabilities | ||||
| Account Payables | 30,447,000 | 31,513,000 | 41,678,000 | 23,253,000 | 
| Short Term Debt | 9,969,000 | 9,334,000 | 11,306,000 | 11,725,000 | 
| Total Current Liabilities | 1,398,404,000 | 1,178,883,000 | 1,006,803,000 | 715,952,000 | 
| Long Term Debt | 65,806,000 | 46,441,000 | 49,670,000 | 51,393,000 | 
| Total Liabilities | 1,507,383,000 | 1,266,096,000 | 1,088,044,000 | 779,747,000 | 
| Shareholders Equity | ||||
| Retained Earnings | 3,454,595,000 | 2,740,457,000 | 2,214,752,000 | 1,299,656,000 | 
| Total Shareholders Equity | 5,832,373,000 | 4,644,824,000 | 3,716,252,000 | 2,266,320,000 | 
| Cash Flow Statement (Quarterly) | 2025-01-31 | 2024-01-31 | 2023-01-31 | 2022-01-31 | 
|---|---|---|---|---|
| Operating Activities | ||||
| Net Income | 714,138,000 | 525,705,000 | 487,706,000 | 379,998,000 | 
| Depreciation & Amortization | 50,930,000 | 37,150,000 | 29,122,000 | 29,455,000 | 
| Stock Based Compensation | 0 | 0 | 351,907,000 | 185,001,000 | 
| Change in Working Capital | 7,620,000 | 60,823,000 | -151,746,000 | -75,646,000 | 
| Operating Cash Flow | 1,090,051,000 | 911,339,000 | 780,470,000 | 551,246,000 | 
| Investing Activities | ||||
| Capital Expenditure | -20,519,000 | -26,196,000 | -2,489,000 | 7,780,000 | 
| Investments | -20,519,000 | -26,196,000 | -2,489,000 | 7,780,000 | 
| Investing Cash Flow | -700,138,000 | -1,076,351,000 | -1,007,683,000 | -333,634,000 | 
| Financing Activities | ||||
| Debt Repayment | 0 | 0 | 0 | -1,039,000 | 
| Common Stock Issued/Repurchased | 105,538,000 | 62,687,000 | -19,376,000 | -55,294,000 | 
| Dividends Paid | 0 | 0 | 0 | 0 | 
| Financing Cash Flow | 26,115,000 | -16,188,000 | -19,376,000 | 33,818,000 | 
| Summary | ||||
| Free Cash Flow | 1,069,531,999 | 885,143,000 | 777,981,000 | 559,026,000 | 
| Net Change in Cash | 414,293,000 | -182,980,000 | -251,575,000 | 251,914,000 | 
| Cash Flow Statement (Annual) | 2025-01-31 | 2024-01-31 | 2023-01-31 | 2022-01-31 | 
|---|---|---|---|---|
| Operating Activities | ||||
| Net Income | 714,138,000 | 525,705,000 | 487,706,000 | 379,998,000 | 
| Depreciation & Amortization | 50,930,000 | 37,150,000 | 29,122,000 | 29,455,000 | 
| Stock Based Compensation | 0 | 0 | 351,907,000 | 185,001,000 | 
| Change in Working Capital | 7,620,000 | 60,823,000 | -151,746,000 | -75,646,000 | 
| Operating Cash Flow | 1,090,051,000 | 911,339,000 | 780,470,000 | 551,246,000 | 
| Investing Activities | ||||
| Capital Expenditure | -20,519,000 | -26,196,000 | -2,489,000 | 7,780,000 | 
| Investments | -20,519,000 | -26,196,000 | -2,489,000 | 7,780,000 | 
| Investing Cash Flow | -700,138,000 | -1,076,351,000 | -1,007,683,000 | -333,634,000 | 
| Financing Activities | ||||
| Debt Repayment | 0 | 0 | 0 | -1,039,000 | 
| Common Stock Issued/Repurchased | 105,538,000 | 62,687,000 | -19,376,000 | -55,294,000 | 
| Dividends Paid | 0 | 0 | 0 | 0 | 
| Financing Cash Flow | 26,115,000 | -16,188,000 | -19,376,000 | 33,818,000 | 
| Summary | ||||
| Free Cash Flow | 1,069,531,999 | 885,143,000 | 777,981,000 | 559,026,000 | 
| Net Change in Cash | 414,293,000 | -182,980,000 | -251,575,000 | 251,914,000 |