XML 116 R80.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Segments and Geographic Information (Details Textual) | 12 Months Ended
--- | ---
May 31, 2018 | May 31, 2017 | May 31, 2016
Segment Reporting [Abstract] |  |  |
International sales percentage of total net sales | 21.00% | 19.00% | 19.00%
Total assets are located within the United States | 99.00% |  |

X
- Definition Percentage of domestic assets. + References No definition available. + Details
Name: | ango_PercentageOfDomesticAssets
Namespace Prefix: | ango_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of international sales to net sales. + References No definition available. + Details
Name: | ango_PercentageOfInternationalSalesToNetSales
Namespace Prefix: | ango_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SegmentReportingAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration