Leases - Supplemental Statement of Operations Information (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Aug. 31, 2026 |
Aug. 31, 2025 |
|
| Lessee, Lease, Description [Line Items] | ||
| Non-cash lease expense | $ 558 | $ 638 |
| Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold | ||
| Lessee, Lease, Description [Line Items] | ||
| Non-cash lease expense | 164 | 201 |
| Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense | ||
| Lessee, Lease, Description [Line Items] | ||
| Non-cash lease expense | 184 | 289 |
| Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense | ||
| Lessee, Lease, Description [Line Items] | ||
| Non-cash lease expense | 154 | 92 |
| Location, Statement of Income, Balance [Axis]: us-gaap:SellingAndMarketingExpense | ||
| Lessee, Lease, Description [Line Items] | ||
| Non-cash lease expense | 40 | 32 |
| Location, Statement of Income, Balance [Axis]: ango:AcquisitionRestructuringAndOtherItemsNet | ||
| Lessee, Lease, Description [Line Items] | ||
| Non-cash lease expense | $ 16 | $ 24 |