| （単位：百万円） | 2011/9 | 2012/9 | 2013/9 | 2014/9 | 2015/9 | 2016/9 | 2017/9 | 2018/3 | 2019/3 | 2020/3 | 2021/3 | 2022/3 | 2023/3 | 2024/3 | 2025/3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 18,978 | 18,662 | 19,356 | 20,672 | 19,940 | 20,491 | 22,243 | 14,136 | 32,306 | 23,769 | 24,829 | 27,946 | 31,382 | 37,547 | 35,614 |
| 売上原価 | - | - | - | 17,749 | 16,772 | 17,135 | 18,066 | 11,607 | 27,144 | 19,709 | 20,359 | 22,793 | 25,262 | 29,973 | 28,535 |
| 売上総利益 | - | - | - | 2,923 | 3,168 | 3,356 | 4,176 | 2,529 | 5,162 | 4,061 | 4,471 | 5,154 | 6,120 | 7,574 | 7,079 |
| 売上総利益率（％） | - | - | - | ||||||||||||
| 営業費用 | - | - | - | 1,915 | 1,882 | 2,257 | 2,542 | 1,312 | 3,249 | 2,661 | 3,083 | 3,030 | 3,043 | 3,246 | 3,187 |
| 営業利益 | - | - | - | 1,008 | 1,284 | 1,098 | 1,634 | 1,215 | 1,913 | 1,399 | 1,387 | 2,123 | 3,077 | 4,328 | 3,892 |
| 経常（税引前）利益 | 830 | 1,028 | 1,077 | 1,076 | 1,372 | 1,463 | 1,735 | 1,265 | 2,043 | 1,517 | 1,544 | 2,318 | 1,965 | 4,151 | 3,968 |
| 法人税等合計 | - | - | - | 452 | 561 | 424 | 658 | 435 | 681 | 552 | 495 | 821 | 1,220 | 1,201 | 965 |
| 純利益 | 477 | 240 | 380 | 592 | 663 | 868 | 1,328 | 829 | 1,230 | 954 | 1,142 | 1,495 | 744 | 2,976 | 3,002 |
| 一株あたり利益 | 23.36 | 11.75 | 19.15 | 30.32 | 33.24 | 45.31 | 70.2 | 43.82 | 66.89 | 51.34 | 60.61 | 78.99 | 39.36 | 157.24 | 158.63 |
| 一株あたり配当金 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 2.5 | 5 | 5 | 5 | 5 | 5 | 10 | 24 |