| （単位：十億円） | 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 | 2,072 | 2,186 | 2,255 | 2,196 | 2,197 | 2,075 | 1,971 | 1,931 | 1,941 | 1,850 | 1,822 | 1,989 | 2,134 | 2,338 |
| 売上原価 | - | - | - | 1,252 | 1,229 | 1,158 | - | 1,097 | 1,094 | 1,046 | 999 | 1,084 | 1,171 | 1,272 |
| 売上総利益 | - | - | - | 943 | 968 | 917 | - | 833 | 848 | 804 | 823 | 906 | 963 | 1,066 |
| 売上総利益率（％） | - | - | - | - | - | - | - | - | - | - | - | |||
| 営業費用 | - | - | - | 829 | 843 | 775 | - | 634 | 657 | 642 | 657 | 715 | 762 | 855 |
| 営業利益 | - | - | - | 115 | 125 | 142 | 70 | 100 | 88 | 103 | 68 | 116 | 150 | 125 |
| 経常（税引前）利益 | 137 | 138 | 132 | 94 | 128 | 141 | 234 | 247 | 117 | 125 | 100 | 191 | 197 | 140 |
| 法人税等合計 | - | - | - | 33 | 46 | 47 | -41 | 11 | 35 | 25 | 31 | 48 | 47 | 54 |
| 純利益 | 7 | 56 | 86 | 32 | -47 | 134 | 242 | 164 | 60 | 72 | 60 | 111 | 113 | 58 |
| 一株あたり利益 | 7.7 | 58.44 | 90.76 | 35.27 | -51.87 | 129.49 | 265.24 | 183.57 | 68 | 85.57 | 71.73 | 135.08 | 139.16 | 71.87 |
| 希薄化後一株あたり利益 | 7.14 | 57.31 | 90.73 | 35.24 | - | 129.47 | 140.93 | 183.53 | 67.98 | 85.54 | 71.7 | 135.07 | 139.15 | 71.86 |
| 配当性向（%） | - | - | - | - | - | - | - | - | ||||||
| 一株あたり配当金 | 27 | 29 | 36 | 38 | 38 | 39 | 46 | 51 | 64 | 65 | 65 | 69 | 71 | 71 |