| Fiscal period | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
| Period End Date | 9/30/2025 | 9/30/2024 | 9/30/2023 | 9/30/2022 | 9/30/2021 | 9/30/2020 | 9/30/2019 | 9/30/2018 | 9/30/2017 | 9/30/2016 |
| Sales | 54,441.00 | 53,309.00 | 52,881.00 | 53,282.00 | 47,049.00 | 43,185.00 | 42,405.00 | 40,052.00 | 38,260.00 | 36,881.00 |
| Total Revenues | 54,441.00 | 53,309.00 | 52,881.00 | 53,282.00 | 47,049.00 | 43,185.00 | 42,405.00 | 40,052.00 | 38,260.00 | 36,881.00 |
| Cost of sales | 50,879.00 | 49,682.00 | 50,250.00 | 46,614.00 | 40,523.00 | 37,801.00 | 37,383.00 | 34,926.00 | 33,177.00 | 32,184.00 |
| Gross Profit | 3,562.00 | 3,627.00 | 2,631.00 | 6,668.00 | 6,526.00 | 5,384.00 | 5,022.00 | 5,126.00 | 5,083.00 | 4,697.00 |
| Goodwill impairment | 343.00 | -- | 781.00 | -- | -- | -- | -- | -- | -- | -- |
| General and Administrative | -- | -- | -- | -- | -- | -- | -- | 2,071.00 | -- | -- |
| Selling, general and administrative | 2,121.00 | 2,218.00 | 2,245.00 | 2,258.00 | 2,130.00 | 2,270.00 | 2,195.00 | -- | 2,152.00 | 1,864.00 |
| Other charges | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Operating Income (Loss) | 1,098.00 | 1,409.00 | (395.00) | 4,410.00 | 4,396.00 | 3,114.00 | 2,827.00 | 3,055.00 | 2,931.00 | 2,833.00 |
| Interest expense | 449.00 | 481.00 | 355.00 | 365.00 | 428.00 | 485.00 | 462.00 | 350.00 | 279.00 | 249.00 |
| Interest income | 73.00 | 89.00 | 30.00 | 17.00 | 8.00 | 10.00 | 11.00 | 7.00 | 7.00 | 6.00 |
| Other income (expenses), net | 47.00 | 75.00 | 42.00 | 87.00 | 65.00 | 131.00 | 55.00 | 33.00 | (31.00) | 8.00 |
| Total Non-Operating Income/Expense | 329.00 | 317.00 | 283.00 | 261.00 | 355.00 | 344.00 | 396.00 | -- | -- | 235.00 |
| Income (loss) before income taxes | 769.00 | 1,092.00 | (678.00) | 4,149.00 | 4,041.00 | 2,770.00 | 2,431.00 | 2,745.00 | 2,628.00 | 2,598.00 |
| Provision (benefit) for income taxes | 262.00 | 270.00 | (29.00) | 900.00 | 981.00 | 620.00 | 396.00 | (282.00) | 850.00 | 826.00 |
| INCOME TAXES: Current | -- | -- | 154.00 | -- | -- | -- | -- | -- | -- | 742.00 |
| INCOME TAXES: Deferred | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Minority interest | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income (loss) from Continuing Operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income from Discontinued Operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income Before Extraordinary Income & Accounting Change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative Effect of Change in Accounting Principle | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Consolidated Net Income (Loss) | 507.00 | 822.00 | (649.00) | 3,249.00 | 3,060.00 | 2,150.00 | 2,035.00 | 3,027.00 | 1,778.00 | 1,772.00 |
| Less: Net loss (income) attributable to noncontrolling interest | 33.00 | 22.00 | (1.00) | 11.00 | 13.00 | 10.00 | 13.00 | 3.00 | 4.00 | 4.00 |
| Net income attributable to common shareholders | 474.00 | 800.00 | (648.00) | 3,238.00 | 3,047.00 | 2,140.00 | 2,022.00 | 3,024.00 | 1,774.00 | 1,768.00 |
| EPS (Basic)- Continuing Operations: Class A Basic | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| EPS (Basic)- Continuing Operations: Class B Basic | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| EPS (Basic)- Discontinued Operations: Class A Basic | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| EPS (Basic)- Discontinued Operations: Class B Basic | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative Effect of Change in Accounting Principle: Class A Basic | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative Effect of Change in Accounting Principle: Class B Basic | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Earnings Per Share (Basic) | 1.34 | 2.26 | (1.83) | 8.95 | 8.39 | 5.90 | 5.57 | 8.29 | 4.85 | 4.59 |
| EPS (Basic)- Class A | 1.37 | 2.31 | (1.87) | 9.18 | 8.57 | 6.02 | 5.67 | 8.44 | 4.94 | 4.67 |
| EPS (Basic)- Class B | 1.22 | 2.06 | (1.68) | 8.25 | 7.70 | 5.41 | 5.10 | 7.59 | 4.45 | 4.24 |
| EPS(Diluted) - Continuing Operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| EPS (Diluted)- Discontinued operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of change in accounting principle | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Earnings Per Share (Diluted) | 1.33 | 2.25 | (1.87) | 8.92 | 8.34 | 5.86 | 5.52 | 8.19 | 4.79 | 4.53 |
| Weighted Average Shares Outstanding: Class A Basic | 285.00 | 284.00 | 284.00 | 290.00 | 293.00 | 293.00 | 293.00 | 295.00 | 296.00 | 315.00 |
| Weighted Average Shares Outstanding: Class B Basic | 70.00 | 70.00 | 70.00 | 70.00 | 70.00 | 70.00 | 70.00 | 70.00 | 70.00 | 70.00 |
| Weighted Average Shares Outstanding (Basic) | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Weighted Average Shares Outstanding (Diluted) | 357.00 | 356.00 | 284.00 | 363.00 | 365.00 | 365.00 | 366.00 | 369.00 | 370.00 | 390.00 |