| 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 | 4,032.97 | 3,960.83 | 4,210.31 | 3,811.37 | 3,368.87 | 3,390.39 | 3,164.43 | 2,873.51 | 2,528.05 | 2,556.00 |
| Total Revenues | 4,032.97 | 3,960.83 | 4,210.31 | 3,811.37 | 3,368.87 | 3,390.39 | 3,164.43 | 2,873.51 | 2,528.05 | 2,556.00 |
| Cost of sales | 3,626.45 | 3,582.30 | 3,815.75 | 3,464.14 | 3,045.57 | 3,077.69 | 2,872.60 | 2,615.91 | 2,272.20 | 2,328.65 |
| Gross Profit | 406.51 | 378.53 | 394.55 | 347.23 | 323.30 | 312.71 | 291.84 | 257.60 | 255.86 | 227.36 |
| Goodwill amortization | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Selling and administrative expenses | 199.46 | 190.54 | 175.64 | 167.02 | 143.76 | 153.33 | 148.11 | 139.32 | 125.95 | 120.89 |
| Restructuring Costs | 4.68 | 20.26 | 23.09 | 2.02 | 3.27 | 6.00 | 1.68 | -- | -- | 7.03 |
| Acquisition and merger costs | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Operating Income (Loss) | 202.37 | 167.73 | 195.82 | 178.19 | 176.27 | 153.37 | 142.06 | 118.28 | 129.91 | 99.44 |
| Interest expense | 11.61 | 28.88 | 31.54 | 15.86 | 14.25 | 16.16 | 12.85 | 12.23 | 13.58 | 14.64 |
| Interest income | 3.92 | 3.86 | 3.14 | 1.31 | 1.37 | 1.88 | 1.95 | 4.70 | 5.04 | 4.24 |
| Miscellaneous | (6.67) | (13.18) | (6.40) | (5.33) | (2.98) | (3.69) | (5.20) | (3.14) | 0.45 | (1.65) |
| Income (loss) before income taxes | 188.02 | 129.53 | 161.01 | 158.30 | 160.41 | 135.40 | 125.96 | 107.61 | 121.82 | 87.39 |
| Income tax expense (benefit) | 15.13 | 17.72 | 21.92 | 20.06 | 21.50 | 17.92 | 17.34 | 94.57 | 9.76 | 10.97 |
| Currently payable (receivable): Federal | -- | 2.85 | 24.78 | -- | -- | -- | -- | -- | -- | -- |
| Currently payable (receivable): State | -- | (0.03) | 0.30 | -- | -- | -- | -- | -- | -- | -- |
| Currently payable (receivable): Foreign | -- | 21.99 | 19.28 | -- | -- | -- | -- | -- | -- | -- |
| Deferred: Federal expense (benefit) | -- | (9.34) | (21.10) | -- | -- | -- | -- | -- | -- | -- |
| Deferred: State expense (benefit) | -- | (1.05) | (1.37) | -- | -- | -- | -- | -- | -- | -- |
| Deferred: Foreign expense (benefit) | -- | 3.29 | 0.03 | -- | -- | -- | -- | -- | -- | -- |
| Income Before Extraordinary Income & Accounting Change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of change in accounting principle, net of income taxes | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net Income (loss) Available to Common Shareholders | 172.89 | 111.82 | 139.09 | 138.24 | 138.91 | 117.48 | 108.62 | 13.04 | 112.06 | 76.43 |
| Earnings per share: before cumulative effect of change in accounting principle | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of change in accounting principle, net of tax | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net Earnings Per Share (Basic) | 6.39 | 4.08 | 5.04 | 4.96 | 4.86 | 4.02 | 3.59 | 0.40 | 3.33 | 2.29 |
| Earnings per share: before cumulative effect of change in accounting principle | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of change in accounting principle, net of tax | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net Earnings Per Share (Diluted) | 6.26 | 4.01 | 4.95 | 4.86 | 4.76 | 3.93 | 3.50 | 0.38 | 3.24 | 2.24 |
| Weighted Average Shares Outstanding (Basic) | 27.04 | 27.40 | 27.58 | 27.86 | 28.58 | 29.20 | 30.27 | 33.00 | 33.61 | 33.37 |
| Weighted Average Shares Outstanding (Diluted) | 27.62 | 27.91 | 28.11 | 28.44 | 29.17 | 29.92 | 31.07 | 33.92 | 34.55 | 34.10 |