| | 2019-12-31 | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-06-30 | 2025-12-31 |
| Amortization Cash Flow | | | 95700000.0 | 87100000.0 | 84100000.0 | | |
| Amortization Of Intangibles | | | 95700000.0 | 87100000.0 | 84100000.0 | | |
| Asset Impairment Charge | | 1700000.0 | 7800000.0 | 0.0 | 0.0 | | |
| Beginning Cash Position | | | 2054800000.0 | 1536700000.0 | 1627400000.0 | 1713100000.0 | 1807700000.0 |
| Capital Expenditure | | | -186300000.0 | -202500000.0 | -221300000.0 | -228400000.0 | -235500000.0 |
| Cash Dividends Paid | | | -150200000.0 | -152300000.0 | -155900000.0 | -162200000.0 | -168400000.0 |
| Cash Flow From Continuing Financing Activities | | | -818400000.0 | -403900000.0 | -477500000.0 | -523500000.0 | -364200000.0 |
| Cash Flow From Continuing Investing Activities | | | -262100000.0 | -637700000.0 | -657800000.0 | -920700000.0 | -1457800000.0 |
| Cash Flow From Continuing Operating Activities | | | 596900000.0 | 1138100000.0 | 1332700000.0 | 1197200000.0 | 1833900000.0 |
| Cash From Discontinued Investing Activities | | -145200000.0 | 0.0 | 0.0 | | | |
| Cash From Discontinued Operating Activities | | 151200000.0 | 0.0 | 0.0 | | | |
| Change In Account Payable | | 89900000.0 | 41700000.0 | -68500000.0 | 69700000.0 | | |
| Change In Income Tax Payable | 26600000.0 | | | | | | |
| Change In Other Working Capital | | | -261700000.0 | -65500000.0 | -371000000.0 | -14300000.0 | 7400000.0 |
| Change In Payable | | | 11000000.0 | -92600000.0 | 36600000.0 | 155200000.0 | 72600000.0 |
| Change In Payables And Accrued Expense | | | 11000000.0 | -92600000.0 | 36600000.0 | 155200000.0 | 72600000.0 |
| Change In Receivables | | | -1275100000.0 | 466200000.0 | -719400000.0 | -664200000.0 | 723300000.0 |
| Change In Tax Payable | 26600000.0 | | | | | | |
| Change In Working Capital | | | -195800000.0 | 261000000.0 | -1000000.0 | -192500000.0 | 387800000.0 |
| Changes In Account Receivables | | | -1275100000.0 | 466200000.0 | -719400000.0 | -704200000.0 | 723300000.0 |
| Changes In Cash | | | -483600000.0 | 96500000.0 | 197400000.0 | -247000000.0 | 11900000.0 |
| Common Stock Dividend Paid | | | -150200000.0 | -152300000.0 | -155900000.0 | -162200000.0 | -168400000.0 |
| Common Stock Payments | | | -572800000.0 | -193100000.0 | -307400000.0 | -347300000.0 | -303700000.0 |
| Deferred Income Tax | | | 63800000.0 | -108500000.0 | 244900000.0 | 249000000.0 | 101400000.0 |
| Deferred Tax | | | 63800000.0 | -108500000.0 | 244900000.0 | 249000000.0 | 101400000.0 |
| Depreciation | | | 86300000.0 | 109300000.0 | 139400000.0 | | |
| Depreciation And Amortization | | | 182000000.0 | 196400000.0 | 223500000.0 | 238100000.0 | 250000000.0 |
| Effect Of Exchange Rate Changes | | | -34500000.0 | -5800000.0 | -17100000.0 | 20600000.0 | 14500000.0 |
| End Cash Position | | | 1536700000.0 | 1627400000.0 | 1807700000.0 | 1466100000.0 | 1834100000.0 |
| Financing Cash Flow | | | -818400000.0 | -403900000.0 | -477500000.0 | -523500000.0 | -364200000.0 |
| Free Cash Flow | | | 410600000.0 | 935600000.0 | 1111400000.0 | 968800000.0 | 1598400000.0 |
| Gain Loss On Investment Securities | | | 179700000.0 | 68700000.0 | 75800000.0 | 85100000.0 | 71800000.0 |
| Gain Loss On Sale Of Business | | | 0.0 | 0.0 | 8600000.0 | | 10700000.0 |
| Income Tax Paid Supplemental Data | | | 127700000.0 | 232900000.0 | 126600000.0 | | 271600000.0 |
| Interest Paid Supplemental Data | | | 108600000.0 | 107400000.0 | 107400000.0 | | 107200000.0 |
| Investing Cash Flow | | | -262100000.0 | -637700000.0 | -657800000.0 | -920700000.0 | -1457800000.0 |
| Issuance Of Debt | | | 0.0 | 173200000.0 | 0.0 | | 298000000.0 |
| Long Term Debt Issuance | | | 0.0 | 173200000.0 | 0.0 | | 298000000.0 |
| Long Term Debt Payments | | | -75900000.0 | -225000000.0 | 0.0 | | -176300000.0 |
| Net Business Purchase And Sale | | | -67700000.0 | -300000.0 | -17900000.0 | -5800000.0 | -23500000.0 |
| Net Common Stock Issuance | | | -572800000.0 | -193100000.0 | -307400000.0 | -347300000.0 | -303700000.0 |
| Net Income From Continuing Operations | | | 276600000.0 | 642500000.0 | 760200000.0 | 717000000.0 | 872700000.0 |
| Net Investment Purchase And Sale | | | 31100000.0 | -402100000.0 | -402100000.0 | -686400000.0 | -1220600000.0 |
| Net Issuance Payments Of Debt | | | -75900000.0 | -51800000.0 | 0.0 | | 121700000.0 |
| Net Long Term Debt Issuance | | -72600000.0 | -75900000.0 | -51800000.0 | | | 121700000.0 |
| Net Other Financing Charges | | | | -2500000.0 | | | |
| Net Other Investing Changes | | | 600000.0 | 2400000.0 | 100000.0 | 200000.0 | 6000000.0 |
| Net PPEPurchase And Sale | | | -186300000.0 | -202500000.0 | -221300000.0 | -228400000.0 | -235500000.0 |
| Net Short Term Debt Issuance | | 0.0 | 0.0 | | | | |
| Operating Cash Flow | | | 596900000.0 | 1138100000.0 | 1332700000.0 | 1197200000.0 | 1833900000.0 |
| Operating Gains Losses | | | 179700000.0 | 68700000.0 | 84400000.0 | 93700000.0 | 82500000.0 |
| Other Non Cash Items | | | 20200000.0 | 2900000.0 | -60400000.0 | 7900000.0 | 53800000.0 |
| Preferred Stock Dividend Paid | | -4700000.0 | 0.0 | 0.0 | | | |
| Proceeds From Stock Option Exercised | | | -19500000.0 | -4200000.0 | -14200000.0 | -14000000.0 | -13800000.0 |
| Purchase Of Business | | | -72500000.0 | -300000.0 | -17900000.0 | -5800000.0 | -23500000.0 |
| Purchase Of Investment | | | -3199000000.0 | -2290300000.0 | -2476600000.0 | -2983500000.0 | -3320100000.0 |
| Purchase Of PPE | | | -186300000.0 | -202500000.0 | -221300000.0 | -228400000.0 | -235500000.0 |
| Repayment Of Debt | | | -75900000.0 | -225000000.0 | 0.0 | | -176300000.0 |
| Repurchase Of Capital Stock | | | -572800000.0 | -193100000.0 | -307400000.0 | -347300000.0 | -303700000.0 |
| Sale Of Business | | 1315600000.0 | 4800000.0 | 0.0 | | | |
| Sale Of Investment | | | 3230100000.0 | 1888200000.0 | 2074500000.0 | 2297100000.0 | 2099500000.0 |
| Sale Of PPE | 3300000.0 | | | | | | |
| Short Term Debt Issuance | | 0.0 | 0.0 | | | | |
| Short Term Debt Payments | | 0.0 | 0.0 | | | | |
| Stock Based Compensation | | | 62600000.0 | 75100000.0 | 81100000.0 | 84000000.0 | 85700000.0 |
