| （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 | 2,624 | 2,120 | 2,095 | 2,371 | 2,445 | 2,251 | 2,615 | 2,752 | 2,295 | 2,183 | 2,470 | 2,381 | 1,924 | 1,850 |
| 売上原価 | - | - | - | 1,032 | 954 | 1,010 | 1,125 | 1,287 | 1,060 | 955 | 1,129 | 1,054 | 940 | 910 |
| 売上総利益 | - | - | - | 1,338 | 1,490 | 1,240 | 1,489 | 1,464 | 1,234 | 1,227 | 1,340 | 1,325 | 983 | 939 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 963 | 1,054 | 970 | 1,043 | 1,054 | 1,020 | 887 | 793 | 711 | 663 | 636 |
| 営業利益 | - | - | - | 374 | 435 | 270 | 446 | 409 | 214 | 340 | 546 | 614 | 319 | 303 |
| 経常（税引前）利益 | 527 | 380 | 353 | 405 | 446 | 284 | 460 | 423 | 229 | 357 | 576 | 647 | 365 | 342 |
| 法人税等合計 | - | - | - | 168 | 104 | 92 | 142 | 105 | 71 | 110 | 157 | 189 | 112 | 104 |
| 純利益 | 312 | 182 | 225 | 234 | 244 | 189 | 305 | 318 | 151 | 245 | 407 | 462 | 237 | 248 |
| 一株あたり利益 | 39.78 | 23.74 | 29.75 | 31.54 | 33.19 | 25.55 | 41.37 | 205.24 | 96.4 | 157.41 | 258.77 | 294.75 | 152.57 | 159.33 |
| 希薄化後一株あたり利益 | - | - | 29.7 | 31.41 | 32.97 | 25.53 | 41.14 | 203.48 | 95.73 | 157.39 | - | - | - | - |
| 配当性向（%） | - | - | - | - | - | - | - | - | - | - | - | - | ||
| 一株あたり配当金 | 10 | 7.5 | 8 | 9 | 9 | 8 | 10 | 35 | 40 | 40 | 50 | 60 | 50 | 50 |