Treasury Shares, Etc.
| Concept | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | 
|---|---|---|---|
| Treasury shares, etc. | |||
| Treasury shares, etc. | |||
| Name of shareholder | — | 
                                                日泰サービス㈱
                                                
                                             | 
                                                日本車輌製造㈱
                                                
                                             | 
| Address of shareholder | — | 
                                                千葉県船橋市金杉
八丁目11番2号
                                                
                                             | 
                                                名古屋市熱田区三本松町1番1号
                                                
                                             | 
| Number of shares held in own name | 
                                                243,100
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                300
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                242,800
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Number of shares held in others' names | 
                                                2,300
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                2,300
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Total number of shares held | 
                                                245,400
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                2,600
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                242,800
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Shareholding ratio | 
                                                0.0167
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0002
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0165
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             |