| （単位：百万円） | 2011/12 | 2012/12 | 2013/12 | 2014/12 | 2015/12 | 2016/12 | 2017/12 | 2018/12 | 2019/12 | 2020/12 | 2021/12 | 2022/12 | 2023/12 | 2024/12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 4,344 | 4,366 | 4,634 | 5,133 | 5,427 | 5,589 | 6,256 | 6,257 | 6,339 | 6,274 | 6,207 | 6,486 | 6,633 | 7,122 |
| 売上総利益 | - | - | - | 1,651 | 1,658 | 1,785 | 2,270 | 2,304 | 2,143 | 2,008 | 1,917 | 2,116 | 2,204 | 2,388 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 1,132 | 1,162 | 1,212 | 1,257 | 1,300 | 1,343 | 1,343 | 1,341 | 1,376 | 1,430 | 1,542 |
| 営業利益 | - | - | - | 519 | 495 | 573 | 1,012 | 1,003 | 800 | 664 | 575 | 739 | 773 | 845 |
| 経常（税引前）利益 | -208 | -119 | 208 | 524 | 490 | 587 | 1,017 | 936 | 816 | 647 | 625 | 748 | 787 | 862 |
| 法人税等合計 | - | - | - | 44 | 53 | 105 | 44 | 341 | 298 | 249 | 249 | 267 | 308 | 236 |
| 純利益 | -304 | -159 | 173 | 479 | 434 | 414 | 973 | 593 | 481 | 375 | 376 | 415 | 477 | 650 |
| 一株あたり利益 | -40.65 | -21.19 | 23.25 | 65.17 | 64.97 | 61.97 | 145.5 | 88.26 | 81.56 | 64.53 | 64.38 | 70.94 | 81.23 | 110.31 |
| 希薄化後一株あたり利益 | - | - | - | - | - | - | 145.11 | 87.83 | 81.34 | 64.51 | - | - | - | - |
| 配当性向（%） | - | - | - | - | - | - | - | - | - | - | - | - | ||
| 一株あたり配当金 | - | - | - | 4 | 6 | 8 | 12 | 14 | 30 | 32 | 32 | 32 | 32 | 32 |