Notes - Significant Accounting Policies For Preparation Of Semi-Annual Consolidated Financial Statements
| Concept | 
                                    
                                        2024-03-01 to 2025-02-28  | 
                            
                                
                                    
                                        As at 2025-02-28  | 
                            
                        
|---|---|---|
| Notes - Significant accounting policies for preparation of semi-annual consolidated financial statements | ||
| Notes - Significant accounting policies for preparation of semi-annual consolidated financial statements | ||
| Disclosure of scope of consolidation | ||
| Number of consolidated subsidiaries and names of major consolidated subsidiaries | 
                                        
                                             1 連結の範囲に関する事項 子会社はすべて連結されており、当該連結子会社は、㈱でりかエッセン、㈱でりか菜、㈱三好野本店、㈲ハピーバラエティの4社であります。 
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                                    — | 
| Number of consolidated subsidiaries | — | 
                                        
                                             
                                                4
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
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| Disclosure about application of equity method | ||
| Number of unconsolidated subsidiaries and associates accounted for using equity method and names of major entities accounted for using equity method | 
                                        
                                             持分法を適用した関連会社はありません。  | 
                                
                                    — | 
| Names of major unconsolidated subsidiaries and associates not accounted for using equity method and reasons for this treatment | 
                                        
                                             関連会社㈱リブ総社及び㈱まちケアに対する投資については、当期純損益及び利益剰余金等に対する影響が軽微であり、かつ、全体としても重要性がないため、持分法を適用しておりません。 
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                                    — | 
| Disclosure about fiscal years, etc. of consolidated subsidiaries | 
                                        
                                             3 連結子会社の事業年度等に関する事項 連結子会社の事業年度の末日と連結決算日は一致しております。 
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                                    — | 
| Disclosure of accounting policies | ||
| Disclosure of accounting policies | — |