| | 2019-12-31 | 2020-06-30 | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-06-30 | 2025-12-31 |
| Beginning Cash Position | | | | 806400000.0 | 689800000.0 | 704200000.0 | 821000000.0 | 953400000.0 |
| Capital Expenditure | | | | -157300000.0 | -109200000.0 | -134000000.0 | -124000000.0 | -219400000.0 |
| Capital Expenditure Reported | | | | -122900000.0 | -75600000.0 | -124900000.0 | -111200000.0 | -191600000.0 |
| Cash Flow From Continuing Financing Activities | | | | -40300000.0 | -13600000.0 | -28100000.0 | -88500000.0 | -595100000.0 |
| Cash Flow From Continuing Investing Activities | | | | -191100000.0 | -119400000.0 | -146200000.0 | -136200000.0 | -222600000.0 |
| Cash Flow From Continuing Operating Activities | | | | 119000000.0 | 145800000.0 | 430400000.0 | 516100000.0 | 569300000.0 |
| Change In Account Payable | | | | -2400000.0 | -11000000.0 | 2200000.0 | 18400000.0 | 49200000.0 |
| Change In Accrued Expense | | | | 137600000.0 | 70300000.0 | 45500000.0 | 70000000.0 | 160200000.0 |
| Change In Inventory | | | | -49100000.0 | -53600000.0 | -32400000.0 | -6800000.0 | -10600000.0 |
| Change In Other Working Capital | | 6000000.0 | | | | | | |
| Change In Payable | | | | -2400000.0 | -11000000.0 | 2200000.0 | 18400000.0 | 49200000.0 |
| Change In Payables And Accrued Expense | | | | 135200000.0 | 59300000.0 | 47700000.0 | 88400000.0 | 209400000.0 |
| Change In Prepaid Assets | | | | -36800000.0 | -42100000.0 | -21900000.0 | -37800000.0 | -81700000.0 |
| Change In Receivables | | | | -51800000.0 | -154200000.0 | -10400000.0 | -68100000.0 | -140200000.0 |
| Change In Working Capital | | | | -2500000.0 | -190600000.0 | -17000000.0 | -24300000.0 | -23100000.0 |
| Changes In Account Receivables | | | | -51800000.0 | -154200000.0 | -10400000.0 | -68100000.0 | -140200000.0 |
| Changes In Cash | | | | -112400000.0 | 12600000.0 | 256000000.0 | 291300000.0 | -248800000.0 |
| Common Stock Issuance | | | 0.0 | 0.0 | | | | |
| Common Stock Payments | | | | | 0.0 | 0.0 | | -59600000.0 |
| Deferred Income Tax | | | | -1000000.0 | 500000.0 | -136900000.0 | 9300000.0 | 62200000.0 |
| Deferred Tax | | | | -1000000.0 | 500000.0 | -136900000.0 | 9300000.0 | 62200000.0 |
| Depreciation Amortization Depletion | | | | 63200000.0 | 72800000.0 | 80800000.0 | 86800000.0 | 90400000.0 |
| Depreciation And Amortization | | | | 63200000.0 | 72800000.0 | 80800000.0 | 86800000.0 | 90400000.0 |
| Effect Of Exchange Rate Changes | | | | -4300000.0 | 1800000.0 | -6800000.0 | 9300000.0 | 11500000.0 |
| End Cash Position | | | | 689700000.0 | 704200000.0 | 953400000.0 | 1112300000.0 | 716100000.0 |
| Financing Cash Flow | | | | -40300000.0 | -13600000.0 | -28000000.0 | -88600000.0 | -595300000.0 |
| Free Cash Flow | | | | -38300000.0 | 36500000.0 | 296200000.0 | 392200000.0 | 349900000.0 |
| Gain Loss On Investment Securities | | | | | | | | -12500000.0 |
| Income Tax Paid Supplemental Data | | | 7000000.0 | 5500000.0 | 8100000.0 | | | |
| Interest Paid Supplemental Data | | | 21500000.0 | 34200000.0 | 49900000.0 | | | |
| Investing Cash Flow | | | | -191100000.0 | -119400000.0 | -146200000.0 | -136200000.0 | -222700000.0 |
| Issuance Of Capital Stock | | | 0.0 | 0.0 | | | | |
| Issuance Of Debt | | | | 0.0 | 0.0 | 175500000.0 | 649900000.0 | 506100000.0 |
| Long Term Debt Issuance | | | | 0.0 | 0.0 | 175500000.0 | 649900000.0 | 506100000.0 |
| Long Term Debt Payments | | | | -39800000.0 | -27000000.0 | -216100000.0 | -786500000.0 | -1214200000.0 |
| Net Business Purchase And Sale | | | 0.0 | -26000000.0 | -3000000.0 | 0.0 | | |
| Net Common Stock Issuance | | | | 0.0 | 0.0 | 0.0 | | -59600000.0 |
| Net Income From Continuing Operations | | | | 4600000.0 | 206300000.0 | 418300000.0 | 236100000.0 | 247100000.0 |
| Net Intangibles Purchase And Sale | | | | -34400000.0 | -33600000.0 | -9100000.0 | -12800000.0 | -27800000.0 |
| Net Investment Purchase And Sale | | | | -7800000.0 | -7200000.0 | -12200000.0 | | 0.0 |
| Net Issuance Payments Of Debt | | | | -39800000.0 | -27000000.0 | -40600000.0 | -136600000.0 | -708100000.0 |
| Net Long Term Debt Issuance | | | | -39800000.0 | -27000000.0 | -40600000.0 | -136600000.0 | -708100000.0 |
| Net Other Financing Charges | | | | -16800000.0 | -13500000.0 | -7500000.0 | -24500000.0 | -26100000.0 |
| Net Other Investing Changes | | | | | -3000000.0 | | | -3300000.0 |
| Operating Cash Flow | | | | 119000000.0 | 145700000.0 | 430200000.0 | 516200000.0 | 569300000.0 |
| Operating Gains Losses | 8700000.0 | | 42400000.0 | | | | | 111400000.0 |
| Other Non Cash Items | | | | 9600000.0 | 8600000.0 | 12000000.0 | 12500000.0 | 13200000.0 |
| Proceeds From Stock Option Exercised | | | | 16300000.0 | 26900000.0 | 20100000.0 | 102600000.0 | 198500000.0 |
| Provisionand Write Offof Assets | | | | 4200000.0 | 2300000.0 | -200000.0 | 4300000.0 | 5400000.0 |
| Purchase Of Business | | | 0.0 | -26000000.0 | -3000000.0 | 0.0 | | |
| Purchase Of Intangibles | | | | -34400000.0 | -33600000.0 | -9100000.0 | -12800000.0 | -27800000.0 |
| Purchase Of Investment | | | | -7800000.0 | -7200000.0 | -12200000.0 | | 0.0 |
| Repayment Of Debt | | | | -39800000.0 | -27000000.0 | -216100000.0 | -786500000.0 | -1214200000.0 |
| Repurchase Of Capital Stock | | | | | 0.0 | 0.0 | | -59600000.0 |
| Sale Of Investment | | | 40000000.0 | 0.0 | 0.0 | | | |
| Stock Based Compensation | | | | 40900000.0 | 48400000.0 | 69300000.0 | 63800000.0 | 62700000.0 |
| Unrealized Gain Loss On Investment Securities | | | | 0.0 | -2600000.0 | 3900000.0 | | 0.0 |
