| （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 | 1,013 | 927 | 1,075 | 1,110 | 1,009 | 1,125 | 1,194 | 1,263 | 1,302 | 1,208 | 1,349 | 1,378 | 1,505 | 1,580 |
| 売上成長率（％） | - | -7.3 | 11.8 | 2.1 | 9.2 | 5.0 | ||||||||
| 営業費用 | - | - | - | 85 | 86 | 85 | 91 | 93 | 94 | 93 | 96 | 100 | 114 | 109 |
| 営業利益 | - | - | - | 156 | 166 | 192 | 213 | 229 | 241 | 224 | 279 | 297 | 279 | 309 |
| 営業利益率 (%) | - | - | - | 18.6 | 20.7 | 21.5 | 18.5 | 19.6 | ||||||
| 経常（税引前）利益 | 121 | 92 | 140 | 133 | 145 | 170 | 191 | 207 | 220 | 211 | 254 | 272 | 241 | 263 |
| 経常（税引前）利益率（％） | 11.9 | 10.0 | 13.0 | 12.0 | 14.4 | 15.1 | 16.0 | 16.4 | 16.9 | 17.5 | 18.8 | 19.7 | 16.0 | 16.6 |
| 法人税等合計 | - | - | - | 13 | 44 | 46 | 54 | 59 | 59 | 54 | 71 | 71 | 98 | 110 |
| 実効税率（％） | - | - | - | 25.7 | 27.9 | 26.0 | 40.7 | 41.9 | ||||||
| 純利益 | 37 | -30 | 11 | 87 | 98 | 117 | 138 | 152 | 165 | 147 | 183 | 182 | 176 | 207 |
| 一株あたり利益 | 40.72 | 32.79 | 46.34 | 52.85 | 60.13 | 74 | 86.78 | 96.97 | 108.64 | 101.34 | 116.45 | 125.54 | 131.96 | 151.04 |
| 希薄化後一株あたり利益 | 40.71 | 32.78 | 46.32 | 52.84 | 60.12 | 73.98 | 86.76 | 96.96 | 108.63 | 101.33 | 116.44 | 125.53 | 131.96 | 151.04 |
| 配当性向（%） | - | - | - | - | - | - | - | - | 30.6 | 30.9 | 30.3 | 30.3 | 28.5 | |
| 一株あたり配当金 | - | - | - | - | - | - | - | - | 33 | 31 | 36 | 38 | 40 | 43 |