| | 2020-09-30 | 2021-09-30 | 2022-09-30 | 2023-09-30 | 2024-09-30 | 2025-06-30 |
| Asset Impairment Charge | 28016000.0 | 0.0 | 0.0 | | | |
| Beginning Cash Position | | 157394000.0 | 195354000.0 | 133202000.0 | 136778000.0 | 156043000.0 |
| Capital Expenditure | | -7569000.0 | -6029000.0 | -4237000.0 | -25551000.0 | -33705000.0 |
| Capital Expenditure Reported | | | 0.0 | 0.0 | -16667000.0 | -27200000.0 |
| Cash Flow From Continuing Financing Activities | | -523571000.0 | -547165000.0 | -455001000.0 | -592923000.0 | -714734000.0 |
| Cash Flow From Continuing Investing Activities | | 137850000.0 | -5671000.0 | -15954000.0 | -27993000.0 | -37949000.0 |
| Cash Flow From Continuing Operating Activities | | 423817000.0 | 509450000.0 | 468915000.0 | 632964000.0 | 781616000.0 |
| Change In Account Payable | | -2354000.0 | -2802000.0 | 2236000.0 | 3316000.0 | 4160000.0 |
| Change In Accrued Expense | | -13144000.0 | -3637000.0 | 4631000.0 | 3195000.0 | 3238000.0 |
| Change In Other Current Liabilities | 693000.0 | -20502000.0 | -28830000.0 | -7057000.0 | 7216000.0 | 9178000.0 |
| Change In Other Working Capital | | 4486000.0 | 23547000.0 | 18763000.0 | 13966000.0 | 16797000.0 |
| Change In Payable | | -2354000.0 | -2802000.0 | 2236000.0 | 3316000.0 | 4160000.0 |
| Change In Payables And Accrued Expense | | -15498000.0 | -6439000.0 | 6867000.0 | 6511000.0 | 7398000.0 |
| Change In Prepaid Assets | | -5722000.0 | 7368000.0 | -11904000.0 | -14034000.0 | -24874000.0 |
| Change In Receivables | | 24496000.0 | -31557000.0 | -70117000.0 | -34144000.0 | -19245000.0 |
| Change In Working Capital | | -12740000.0 | -35911000.0 | -63448000.0 | -20485000.0 | -10746000.0 |
| Changes In Account Receivables | | 24496000.0 | -31557000.0 | -70117000.0 | -34144000.0 | -19245000.0 |
| Changes In Cash | | 38096000.0 | -43386000.0 | -2040000.0 | 12048000.0 | 28933000.0 |
| Common Stock Issuance | 42258000.0 | | | | | |
| Common Stock Payments | | -874179000.0 | -1104180000.0 | -405526000.0 | -821702000.0 | -1190051000.0 |
| Deferred Income Tax | | -5955000.0 | 7816000.0 | -47378000.0 | -27330000.0 | -27744000.0 |
| Deferred Tax | | -5955000.0 | 7816000.0 | -47378000.0 | -27330000.0 | -27744000.0 |
| Depreciation Amortization Depletion | | 25592000.0 | 20465000.0 | 14638000.0 | 13827000.0 | 14746000.0 |
| Depreciation And Amortization | | 25592000.0 | 20465000.0 | 14638000.0 | 13827000.0 | 14746000.0 |
| Dividends Received CFI | 55000.0 | -210000.0 | 0.0 | | | |
| Earnings Losses From Equity Investments | 0.0 | | | | | |
| Effect Of Exchange Rate Changes | | -136000.0 | -18766000.0 | 5616000.0 | 1841000.0 | 4073000.0 |
| End Cash Position | | 195354000.0 | 133202000.0 | 136778000.0 | 150667000.0 | 184976000.0 |
| Financing Cash Flow | | -523571000.0 | -547165000.0 | -455001000.0 | -592923000.0 | -714734000.0 |
| Free Cash Flow | | 416248000.0 | 503421000.0 | 464678000.0 | 607413000.0 | 747911000.0 |
| Gain Loss On Investment Securities | | -4569000.0 | 9269000.0 | -2908000.0 | -9834000.0 | -3703000.0 |
| Gain Loss On Sale Of Business | | -100139000.0 | | | | |
| Gain Loss On Sale Of PPE | | 333000.0 | 193000.0 | 547000.0 | 438000.0 | 103000.0 |
| Income Tax Paid Supplemental Data | | 71486000.0 | 65332000.0 | 152775000.0 | 133716000.0 | 165513000.0 |
| Interest Paid Supplemental Data | | 37955000.0 | 57208000.0 | 96877000.0 | 106388000.0 | 115792000.0 |
| Investing Cash Flow | | 137850000.0 | -5671000.0 | -15954000.0 | -27993000.0 | -37949000.0 |
| Issuance Of Capital Stock | 42258000.0 | | | | | |
| Issuance Of Debt | | 682000000.0 | 1589000000.0 | 407000000.0 | 947000000.0 | 2102000000.0 |
| Long Term Debt Issuance | | 682000000.0 | 1589000000.0 | 407000000.0 | 947000000.0 | 2102000000.0 |
| Long Term Debt Payments | | -259176000.0 | -988250000.0 | -402000000.0 | -603333000.0 | -1435601000.0 |
| Net Business Purchase And Sale | 0.0 | -210000.0 | 0.0 | 0.0 | | |
| Net Common Stock Issuance | | -874179000.0 | -1104180000.0 | -405526000.0 | -821702000.0 | -1190051000.0 |
| Net Income From Continuing Operations | | 392084000.0 | 373541000.0 | 429375000.0 | 512811000.0 | 632623000.0 |
| Net Investment Purchase And Sale | | -1802000.0 | -1900000.0 | -5591000.0 | -2442000.0 | -4244000.0 |
| Net Issuance Payments Of Debt | | 422824000.0 | 600750000.0 | 5000000.0 | 343667000.0 | 666399000.0 |
| Net Long Term Debt Issuance | | 422824000.0 | 600750000.0 | 5000000.0 | 343667000.0 | 666399000.0 |
| Net Other Financing Charges | | -93097000.0 | -59761000.0 | -76673000.0 | -139894000.0 | -222316000.0 |
| Net Other Investing Changes | 55000.0 | 147431000.0 | 2258000.0 | -6126000.0 | | |
| Net PPEPurchase And Sale | | -7569000.0 | -6029000.0 | -4237000.0 | -8884000.0 | -6505000.0 |
| Net Short Term Debt Issuance | | 423000000.0 | | | | |
| Operating Cash Flow | | 423817000.0 | 509450000.0 | 468915000.0 | 632964000.0 | 781616000.0 |
| Operating Gains Losses | | -104375000.0 | 9462000.0 | -4302000.0 | -9396000.0 | -3600000.0 |
| Other Non Cash Items | | 16102000.0 | 15922000.0 | 14708000.0 | 12423000.0 | 10163000.0 |
| Proceeds From Stock Option Exercised | | 20881000.0 | 16026000.0 | 22198000.0 | 25006000.0 | 31234000.0 |
| Provisionand Write Offof Assets | | 652000.0 | 2800000.0 | 1475000.0 | 1675000.0 | 1904000.0 |
| Purchase Of Business | 0.0 | -210000.0 | 0.0 | 0.0 | | |
| Purchase Of Investment | | -9039000.0 | -9963000.0 | -10623000.0 | -18372000.0 | -6175000.0 |
| Purchase Of PPE | | -7569000.0 | -6029000.0 | -4237000.0 | -8884000.0 | -6505000.0 |
| Repayment Of Debt | | -259176000.0 | -988250000.0 | -402000000.0 | -603333000.0 | -1435601000.0 |
| Repurchase Of Capital Stock | | -874179000.0 | -1104180000.0 | -405526000.0 | -821702000.0 | -1190051000.0 |
| Sale Of Business | | 147431000.0 | | | | |
| Sale Of Investment | | 7237000.0 | 8063000.0 | 5032000.0 | 15930000.0 | 1931000.0 |
| Short Term Debt Issuance | | 682000000.0 | | | | |
| Short Term Debt Payments | | -259000000.0 | | | | |
| Stock Based Compensation | | 112457000.0 | 115355000.0 | 123847000.0 | 149439000.0 | 164270000.0 |