Employees
| Concept | As at 2024-08-31 | As at 2024-08-31 | As at 2024-08-31 | As at 2024-08-31 | As at 2024-08-31 | As at 2023-08-31 | As at 2023-08-31 | As at 2022-08-31 | As at 2022-08-31 | As at 2021-08-31 | As at 2021-08-31 | As at 2020-08-31 | As at 2020-08-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Employees | |||||||||||||
| Information about reporting company | |||||||||||||
| Number of employees of reporting company | |||||||||||||
| Number of employees | 
                                                4,504
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                74
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                2,320
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                2,110
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                2,110
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                2,073
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                3,980
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                3,939
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                2,107
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                4,134
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                2,153
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                4,164
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                2,082
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
| Average number of temporary employees | 
                                                16,059
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                39
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                5,902
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                10,118
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                10,118
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                8,320
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                13,431
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                11,204
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                7,370
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                11,091
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                6,915
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                11,102
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                7,941
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             |