| | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-06-30 | 2025-12-31 |
| Asset Impairment Charge | 14391000.0 | 57550000.0 | 0.0 | 0.0 | | |
| Beginning Cash Position | | 178934000.0 | 200837000.0 | 214470000.0 | 223819000.0 | 224752000.0 |
| Capital Expenditure | | -734001000.0 | -743055000.0 | -943810000.0 | -998917000.0 | -1039847000.0 |
| Cash Dividends Paid | | -58449000.0 | -55480000.0 | -53346000.0 | -52774000.0 | -51267000.0 |
| Cash Flow From Continuing Financing Activities | | -318400000.0 | -493945000.0 | -1144877000.0 | -835481000.0 | -749727000.0 |
| Cash Flow From Continuing Investing Activities | | -647296000.0 | -763275000.0 | -911109000.0 | -1050868000.0 | -1070617000.0 |
| Cash Flow From Continuing Operating Activities | | 996023000.0 | 1267797000.0 | 2067101000.0 | 1900440000.0 | 1864397000.0 |
| Change In Accrued Expense | | 176558000.0 | 184655000.0 | 267208000.0 | 251840000.0 | 232718000.0 |
| Change In Income Tax Payable | | -29510000.0 | -43450000.0 | 12651000.0 | -70232000.0 | -21441000.0 |
| Change In Interest Payable | | 1835000.0 | 1193000.0 | 12814000.0 | 4972000.0 | -4053000.0 |
| Change In Other Current Assets | | 19918000.0 | 48517000.0 | -12163000.0 | -31537000.0 | -28599000.0 |
| Change In Other Working Capital | | -152977000.0 | 9790000.0 | 83708000.0 | 71212000.0 | 118889000.0 |
| Change In Payable | | -29510000.0 | -43450000.0 | 12651000.0 | -70232000.0 | -21441000.0 |
| Change In Payables And Accrued Expense | | 147048000.0 | 141205000.0 | 279859000.0 | 181608000.0 | 211277000.0 |
| Change In Receivables | | -258338000.0 | -182444000.0 | 67355000.0 | -91455000.0 | -317985000.0 |
| Change In Tax Payable | | -29510000.0 | -43450000.0 | 12651000.0 | -70232000.0 | -21441000.0 |
| Change In Working Capital | | -244349000.0 | 17068000.0 | 418759000.0 | 129828000.0 | -16418000.0 |
| Changes In Account Receivables | | -258338000.0 | -182444000.0 | 67355000.0 | -91455000.0 | -317985000.0 |
| Changes In Cash | | 30327000.0 | 10577000.0 | 11115000.0 | 14091000.0 | 44053000.0 |
| Common Stock Dividend Paid | | -58449000.0 | -55480000.0 | -53346000.0 | -52774000.0 | -51267000.0 |
| Common Stock Issuance | | 14068000.0 | 13654000.0 | 15070000.0 | 15980000.0 | 16729000.0 |
| Common Stock Payments | | -832918000.0 | -547363000.0 | -670754000.0 | -811309000.0 | -967951000.0 |
| Depreciation Amortization Depletion | | 581861000.0 | 568041000.0 | 584831000.0 | 596697000.0 | 618743000.0 |
| Depreciation And Amortization | | 581861000.0 | 568041000.0 | 584831000.0 | 596697000.0 | 618743000.0 |
| Effect Of Exchange Rate Changes | | -8424000.0 | 3056000.0 | -833000.0 | 3490000.0 | 2517000.0 |
| End Cash Position | | 200837000.0 | 214470000.0 | 224752000.0 | 237910000.0 | 271322000.0 |
| Financing Cash Flow | | -318400000.0 | -493945000.0 | -1144877000.0 | -835481000.0 | -749727000.0 |
| Free Cash Flow | | 262022000.0 | 524742000.0 | 1123291000.0 | 901523000.0 | 824550000.0 |
| Gain Loss On Investment Securities | | | | | | -93291000.0 |
| Income Tax Paid Supplemental Data | | 250759000.0 | 257896000.0 | 325430000.0 | 445717000.0 | 470865000.0 |
| Interest Paid Supplemental Data | | 120136000.0 | 200446000.0 | 168274000.0 | 149820000.0 | 156041000.0 |
| Investing Cash Flow | | -647296000.0 | -763275000.0 | -911109000.0 | -1050868000.0 | -1070617000.0 |
| Issuance Of Capital Stock | | 14068000.0 | 13654000.0 | 15070000.0 | 15980000.0 | 16729000.0 |
| Issuance Of Debt | | 705321000.0 | 185100000.0 | 2210248000.0 | 2292811000.0 | 285536000.0 |
| Long Term Debt Issuance | | 705321000.0 | 185100000.0 | 2210248000.0 | 2292811000.0 | 285536000.0 |
| Long Term Debt Payments | | -89367000.0 | -85480000.0 | -2640001000.0 | -2275874000.0 | -43504000.0 |
| Net Business Purchase And Sale | | -20209000.0 | -3712000.0 | -18722000.0 | -27036000.0 | -47662000.0 |
| Net Common Stock Issuance | | -818850000.0 | -533709000.0 | -655684000.0 | -795329000.0 | -951222000.0 |
| Net Income From Continuing Operations | | 656982000.0 | 719307000.0 | 1163109000.0 | 1287197000.0 | 1511182000.0 |
| Net Intangibles Purchase And Sale | 19726000.0 | 0.0 | 0.0 | | | |
| Net Investment Purchase And Sale | | 94913000.0 | -40695000.0 | 12860000.0 | -60372000.0 | 1029000.0 |
| Net Issuance Payments Of Debt | | 615954000.0 | 99620000.0 | -429753000.0 | 16937000.0 | 242032000.0 |
| Net Long Term Debt Issuance | | 615954000.0 | 99620000.0 | -429753000.0 | 16937000.0 | 242032000.0 |
| Net Other Financing Charges | | -57055000.0 | -4376000.0 | -6094000.0 | -4315000.0 | 10730000.0 |
| Net Other Investing Changes | | 12001000.0 | 24187000.0 | 38563000.0 | 35457000.0 | 15863000.0 |
| Net PPEPurchase And Sale | | -734001000.0 | -743055000.0 | -943810000.0 | -998917000.0 | -1039847000.0 |
| Operating Cash Flow | | 996023000.0 | 1267797000.0 | 2067101000.0 | 1900440000.0 | 1864397000.0 |
| Operating Gains Losses | | 584000.0 | -6250000.0 | -6762000.0 | -204000.0 | -85323000.0 |
| Other Non Cash Items | | -141983000.0 | -118089000.0 | -192185000.0 | -211972000.0 | -259475000.0 |
| Purchase Of Business | | -20309000.0 | -3728000.0 | -18998000.0 | -27312000.0 | -47804000.0 |
| Purchase Of Intangibles | | 0.0 | | | | |
| Purchase Of Investment | | | -40695000.0 | 0.0 | | -62044000.0 |
| Purchase Of PPE | | -734001000.0 | -743055000.0 | -943810000.0 | -998917000.0 | -1039847000.0 |
| Repayment Of Debt | | -89367000.0 | -85480000.0 | -2640001000.0 | -2275874000.0 | -43504000.0 |
| Repurchase Of Capital Stock | | -832918000.0 | -547363000.0 | -670754000.0 | -811309000.0 | -967951000.0 |
| Sale Of Business | | 100000.0 | 16000.0 | 276000.0 | | 142000.0 |
| Sale Of Intangibles | 19726000.0 | 0.0 | 0.0 | | | |
| Sale Of Investment | | | 0.0 | 12860000.0 | | 63073000.0 |
| Stock Based Compensation | | 85378000.0 | 87720000.0 | 99349000.0 | 98894000.0 | 95688000.0 |