| （単位：十億円） | 2012/3 | 2013/3 | 2014/3 | 2015/3 | 2016/3 | 2017/3 | 2018/3 | 2019/3 | 2020/3 | 2021/3 | 2022/3 | 2023/3 | 2024/3 | 2025/3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 1,510 | 1,502 | 1,532 | 1,527 | 1,475 | 1,432 | 1,453 | 1,465 | 1,486 | 1,467 | 1,548 | 1,639 | 1,678 | 1,718 |
| 売上原価 | - | - | - | 1,272 | 1,209 | 1,162 | 1,178 | 1,190 | 1,186 | 1,166 | 1,213 | 1,277 | 1,291 | 1,305 |
| 売上総利益 | - | - | - | 254 | 265 | 269 | 274 | 275 | 300 | 301 | 335 | 362 | 387 | 413 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 214 | 217 | 218 | 222 | 229 | 234 | 243 | 261 | 286 | 313 | 329 |
| 営業利益 | - | - | - | 41 | 49 | 52 | 52 | 46 | 66 | 59 | 74 | 77 | 74 | 84 |
| 経常（税引前）利益 | 31 | 37 | 38 | 45 | 52 | 50 | 55 | 49 | 67 | 58 | 76 | 81 | 83 | 89 |
| 法人税等合計 | - | - | - | 19 | 12 | 17 | 17 | 23 | 45 | 46 | 52 | 34 | 38 | 85 |
| 純利益 | -3 | 15 | 19 | 27 | 41 | 44 | 49 | 42 | 90 | 84 | 129 | 76 | 88 | 99 |
| 一株あたり利益 | 4.77 | 28.9 | 32.12 | 35.67 | 55.04 | 50.75 | 65.66 | 127.58 | 261.06 | 237.16 | 365.21 | 185.07 | 231.57 | 295.98 |
| 希薄化後一株あたり利益 | - | - | 31.1 | 31.96 | 49.34 | 48.01 | 62.13 | 120.7 | - | - | - | - | - | - |
| 一株あたり配当金 | 18 | 18 | 18 | 18 | 18 | 20 | 20 | 30 | 60 | 40 | 44 | 46 | 48 | 56 |