Significant Accounting Policies - Estimated Useful Lives of Assets (Detail) |
May 31, 2026 |
|---|---|
| Transportation equipment [Member] | |
| Significant Of Accounting Policies [Line Items] | |
| Estimated useful lives | 10 years |
| Furniture and education equipment [Member] | |
| Significant Of Accounting Policies [Line Items] | |
| Estimated useful lives | 5 years |
| Computer equipment and software [Member] | |
| Significant Of Accounting Policies [Line Items] | |
| Estimated useful lives | 3 years |
| Minimum [Member] | Buildings [Member] | |
| Significant Of Accounting Policies [Line Items] | |
| Estimated useful lives | 20 years |
| Maximum [Member] | Buildings [Member] | |
| Significant Of Accounting Policies [Line Items] | |
| Estimated useful lives | 50 years |