Employee Benefit Plans - Schedule of targeted weighted average asset allocations (Details) - UNITED KINGDOM - Pension Plans |
May 31, 2026 |
May 31, 2025 |
|---|---|---|
| Defined Benefit Plan, Plan Assets, Allocations [Abstract] | ||
| Weighted average asset allocations | 100.00% | 100.00% |
| Debt Securities | ||
| Defined Benefit Plan, Plan Assets, Allocations [Abstract] | ||
| Weighted average asset allocations | 0.00% | 42.70% |
| Cash and cash equivalents | ||
| Defined Benefit Plan, Plan Assets, Allocations [Abstract] | ||
| Weighted average asset allocations | 0.00% | 4.20% |
| Liability-driven instruments | ||
| Defined Benefit Plan, Plan Assets, Allocations [Abstract] | ||
| Weighted average asset allocations | 0.00% | 37.80% |
| Other Securities | ||
| Defined Benefit Plan, Plan Assets, Allocations [Abstract] | ||
| Weighted average asset allocations | 100.00% | 15.30% |