| | 2020-12-31 | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-03-31 |
| Amortization Cash Flow | | 133900000.0 | 131500000.0 | 125000000.0 | | |
| Amortization Of Intangibles | | 133900000.0 | 131500000.0 | 125000000.0 | | |
| Asset Impairment Charge | | 5600000.0 | 471500000.0 | 1800000.0 | 112600000.0 | |
| Beginning Cash Position | | 1057500000.0 | 1092200000.0 | 979900000.0 | 1397100000.0 | 2085800000.0 |
| Capital Expenditure | | -51000000.0 | -59800000.0 | -45000000.0 | -60900000.0 | -68300000.0 |
| Cash Dividends Paid | | -193300000.0 | -209400000.0 | -223500000.0 | -249400000.0 | -257300000.0 |
| Cash Flow From Continuing Financing Activities | | -200300000.0 | 81700000.0 | -656100000.0 | -495000000.0 | -440900000.0 |
| Cash Flow From Continuing Investing Activities | | -352700000.0 | -835100000.0 | -55100000.0 | -141800000.0 | -148200000.0 |
| Cash Flow From Continuing Operating Activities | | 596800000.0 | 651100000.0 | 1075600000.0 | 1100600000.0 | 1117900000.0 |
| Change In Account Payable | | 45000000.0 | 38800000.0 | -19100000.0 | -36400000.0 | 8000000.0 |
| Change In Income Tax Payable | | 3900000.0 | -3800000.0 | -2800000.0 | 800000.0 | 8200000.0 |
| Change In Other Current Assets | | -56200000.0 | -24800000.0 | -44100000.0 | -8700000.0 | -2800000.0 |
| Change In Other Current Liabilities | | 40400000.0 | 76200000.0 | 46900000.0 | 58600000.0 | 63100000.0 |
| Change In Other Working Capital | | -56900000.0 | -221600000.0 | 276800000.0 | 76500000.0 | 5500000.0 |
| Change In Payable | | -63200000.0 | 141300000.0 | -117100000.0 | 94500000.0 | 128300000.0 |
| Change In Payables And Accrued Expense | | -63200000.0 | 141300000.0 | -117100000.0 | 94500000.0 | 128300000.0 |
| Change In Receivables | | 22300000.0 | -55200000.0 | 13100000.0 | -123800000.0 | -119300000.0 |
| Change In Tax Payable | | 3900000.0 | -3800000.0 | -2800000.0 | 800000.0 | 8200000.0 |
| Change In Working Capital | | -113600000.0 | -84100000.0 | 175600000.0 | 97100000.0 | 74800000.0 |
| Changes In Account Receivables | | 12000000.0 | -49800000.0 | 39400000.0 | -124300000.0 | -124500000.0 |
| Changes In Cash | | 43800000.0 | -102300000.0 | 364400000.0 | 463800000.0 | 528800000.0 |
| Common Stock Dividend Paid | | -193300000.0 | -209400000.0 | -223500000.0 | -249400000.0 | -257300000.0 |
| Common Stock Payments | | -81300000.0 | -100900000.0 | -83900000.0 | -204800000.0 | -158200000.0 |
| Deferred Income Tax | | -18900000.0 | -155700000.0 | -15200000.0 | -23600000.0 | -28100000.0 |
| Deferred Tax | | -18900000.0 | -155700000.0 | -15200000.0 | -23600000.0 | -28100000.0 |
| Depreciation | 158500000.0 | 33500000.0 | 35300000.0 | 33000000.0 | | |
| Depreciation Amortization Depletion | | 167400000.0 | 166800000.0 | 158000000.0 | 133000000.0 | 126000000.0 |
| Depreciation And Amortization | | 167400000.0 | 166800000.0 | 158000000.0 | 133000000.0 | 126000000.0 |
| Earnings Losses From Equity Investments | | 400000.0 | -4200000.0 | -36900000.0 | -26500000.0 | -10800000.0 |
| Effect Of Exchange Rate Changes | | -9100000.0 | -10000000.0 | 52800000.0 | -95100000.0 | 55600000.0 |
| End Cash Position | | 1092200000.0 | 979900000.0 | 1397100000.0 | 1765800000.0 | 2614600000.0 |
| Financing Cash Flow | | -200300000.0 | 81700000.0 | -656100000.0 | -495000000.0 | -440900000.0 |
| Free Cash Flow | | 545800000.0 | 591300000.0 | 1030600000.0 | 1039700000.0 | 1049600000.0 |
| Gain Loss On Investment Securities | -400000.0 | | -7500000.0 | -2700000.0 | | |
| Gain Loss On Sale Of Business | 8100000.0 | 0.0 | 0.0 | | | |
| Gain Loss On Sale Of PPE | 0.0 | 400000.0 | 300000.0 | 100000.0 | | |
| Income Tax Paid Supplemental Data | | 209800000.0 | 271100000.0 | 286400000.0 | 362400000.0 | 293800000.0 |
| Interest Paid Supplemental Data | | 42100000.0 | 51000000.0 | 56700000.0 | 100100000.0 | 109400000.0 |
| Investing Cash Flow | | -352700000.0 | -835100000.0 | -55100000.0 | -141800000.0 | -148200000.0 |
| Issuance Of Debt | | 110000000.0 | 663600000.0 | 0.0 | 0.0 | |
| Long Term Debt Issuance | | 110000000.0 | 663600000.0 | 0.0 | 0.0 | |
| Long Term Debt Payments | -155000000.0 | -20000000.0 | -220000000.0 | | | |
| Net Business Purchase And Sale | | -151500000.0 | -708300000.0 | 0.0 | 0.0 | |
| Net Common Stock Issuance | | -81300000.0 | -100900000.0 | -83900000.0 | -204800000.0 | -158200000.0 |
| Net Income From Continuing Operations | | 529000000.0 | 235000000.0 | 761400000.0 | 764900000.0 | 806000000.0 |
| Net Intangibles Purchase And Sale | | 0.0 | 0.0 | 800000.0 | 100000.0 | 400000.0 |
| Net Investment Properties Purchase And Sale | | | 0.0 | 0.0 | 3300000.0 | |
| Net Investment Purchase And Sale | | -150800000.0 | -67000000.0 | -11200000.0 | -87900000.0 | -87100000.0 |
| Net Issuance Payments Of Debt | | 90000000.0 | 443600000.0 | -305000000.0 | 0.0 | |
| Net Long Term Debt Issuance | | 110000000.0 | 663600000.0 | 0.0 | 0.0 | |
| Net Other Financing Charges | | -9100000.0 | -42100000.0 | -13100000.0 | -19900000.0 | |
| Net Other Investing Changes | 500000.0 | 600000.0 | | 300000.0 | 2900000.0 | |
| Net PPEPurchase And Sale | | -51000000.0 | -59800000.0 | -45000000.0 | -60200000.0 | -67600000.0 |
| Net Short Term Debt Issuance | | -20000000.0 | -220000000.0 | -305000000.0 | 0.0 | |
| Operating Cash Flow | | 596800000.0 | 651100000.0 | 1075600000.0 | 1100600000.0 | 1117900000.0 |
| Operating Gains Losses | | 800000.0 | -11700000.0 | -36900000.0 | -26500000.0 | -10800000.0 |
| Other Non Cash Items | | -500000.0 | -2500000.0 | -14400000.0 | -1800000.0 | -7600000.0 |
| Proceeds From Stock Option Exercised | | -6600000.0 | -9500000.0 | -30600000.0 | -20900000.0 | -8500000.0 |
| Provisionand Write Offof Assets | | 400000.0 | 1100000.0 | 4000000.0 | 3100000.0 | 2500000.0 |
| Purchase Of Business | | -151500000.0 | -708300000.0 | 0.0 | 0.0 | |
| Purchase Of Investment | | -311000000.0 | -119300000.0 | -146900000.0 | -155800000.0 | -209300000.0 |
| Purchase Of PPE | | -51000000.0 | -59800000.0 | -45000000.0 | -60900000.0 | -68300000.0 |
| Repayment Of Debt | | -20000000.0 | -220000000.0 | -305000000.0 | 0.0 | |
| Repurchase Of Capital Stock | | -81300000.0 | -100900000.0 | -83900000.0 | -204800000.0 | -158200000.0 |
| Sale Of Intangibles | | 0.0 | 0.0 | 800000.0 | 100000.0 | 400000.0 |
| Sale Of Investment | | 160200000.0 | 52300000.0 | 135700000.0 | 67900000.0 | 122200000.0 |
| Sale Of Investment Properties | | | 0.0 | 0.0 | 3300000.0 | |
| Sale Of PPE | | | 0.0 | 0.0 | 700000.0 | |
| Short Term Debt Issuance | 70000000.0 | 0.0 | 0.0 | | | |
| Short Term Debt Payments | | -20000000.0 | -220000000.0 | -305000000.0 | 0.0 | |
| Stock Based Compensation | | 26600000.0 | 30700000.0 | 41300000.0 | 41800000.0 | 42500000.0 |
