| （単位：百万円） | 2017/3 | 2018/3 | 2019/3 | 2020/3 | 2021/3 | 2022/3 | 2023/3 | 2024/3 | 2025/3 |
|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 792,564 | 831,865 | 850,721 | 852,450 | 842,675 | 854,374 | 922,682 | 955,580 | 988,771 |
| 売上原価 | 664,352 | 701,215 | 723,900 | 718,902 | 702,695 | 722,470 | 792,556 | 823,025 | 855,499 |
| 売上総利益 | 128,212 | 130,649 | 126,821 | 133,548 | 139,979 | 131,904 | 130,126 | 132,554 | 133,272 |
| 売上総利益率（％） | |||||||||
| 営業費用 | 106,756 | 109,087 | 112,326 | 116,281 | 115,961 | 107,292 | 107,131 | 110,218 | 113,695 |
| 営業利益 | 21,455 | 21,562 | 14,494 | 17,266 | 24,018 | 24,611 | 22,994 | 22,336 | 19,576 |
| 経常（税引前）利益 | 24,884 | 24,423 | 15,679 | 19,534 | 27,000 | 28,596 | 26,044 | 26,036 | 20,750 |
| 法人税等合計 | 7,784 | 9,195 | 5,625 | 5,704 | 8,819 | 9,047 | 7,944 | 6,902 | 6,083 |
| 純利益 | 18,243 | 15,784 | 10,678 | 11,575 | 20,294 | 19,166 | 17,019 | 15,611 | 13,170 |
| 一株あたり利益 | 60.67 | 53.22 | 35.82 | 38.72 | 68.61 | 65.34 | 58.81 | 273.24 | 230.88 |
| 希薄化後一株あたり利益 | 60.6 | 53.17 | 35.8 | 38.7 | 68.57 | 65.31 | 58.79 | 273.14 | 230.8 |
| 配当性向（%） | - | - | - | - | |||||
| 一株あたり配当金 | 17 | 17 | 17 | 17 | 21 | 23 | 24 | 125 | 145 |