退職給付に係る負債の増減額（△は減少）、社債の償還による支出、自己株式の取得
- 【期間】
| 年度 | 退職給付に係る負債の増減額（△は減少） | 社債の償還による支出 | 自己株式の取得 |
|---|
| 2008/03 | - | | -144百万 | | 0 | |
| 2009/03 | - | | -182百万 | 赤拡 | 0 | |
| 2009/12 | - | | -68百万 | 赤縮 | - | |
| 2010/03 | - | | -136百万 | 赤拡 | - | |
| 2010/09 | - | | -68百万 | 赤縮 | - | |
| 2010/12 | - | | -68百万 | ±0% | - | |
| 2011/03 | - | | -352百万 | 赤拡 | - | |
| 2011/09 | - | | -36百万 | 赤縮 | - | |
| 2011/12 | - | | -36百万 | ±0% | - | |
| 2012/03 | - | | -90百万 | 赤拡 | -87百万 | |
| 2014/06 | 0 | | - | | - | |
| 2014/09 | 0 | | - | | - | |
| 2014/12 | 1百万 | | - | | - | |
| 2015/03 | 1百万 | ±0% | - | | - | |
| 2015/06 | 0 | -100% | - | | - | |
| 2015/09 | 0 | | - | | - | |
| 2015/12 | 0 | | - | | - | |
| 2016/03 | 0 | | - | | - | |
| 2016/06 | 0 | | - | | - | |
| 2016/09 | 0 | | - | | - | |
| 2017/03 | -1百万 | | - | | - | |
| 2017/09 | 0 | +100% | - | | - | |
| 2018/03 | 0 | | - | | - | |
| 2018/09 | -1百万 | | - | | - | |
| 2019/03 | -1百万 | ±0% | - | | - | |
| 2019/09 | -6百万 | 赤拡 | - | | - | |
| 2020/03 | -6百万 | ±0% | - | | - | |
| 2020/09 | 0 | +100% | - | | - | |
| 2021/03 | 1百万 | | - | | - | |
| 2021/09 | 0 | -100% | - | | - | |
| 2022/03 | 0 | | - | | - | |
| 2022/09 | 0 | | - | | - | |
| 2023/03 | 1百万 | | - | | - | |
| 2023/09 | 0 | -100% | - | | - | |
| 2024/03 | -3百万 | | - | | - | |
