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v2.4.1.9

Segments and Geographic Information (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
May 31, 2014 | Feb. 28, 2014 | Nov. 30, 2013 | Aug. 31, 2013 | May 31, 2013 | Feb. 28, 2013 | Nov. 30, 2012 | Aug. 31, 2012 | May 31, 2014 | May 31, 2013 | May 31, 2012 | May 31, 2011
Summary of total net sales by product category |  |  |  |  |  |  |  |  |  |  |  |
Total | $ 94,060 us-gaap_SalesRevenueNet | $ 88,150 us-gaap_SalesRevenueNet | $ 88,571 us-gaap_SalesRevenueNet | $ 83,644 us-gaap_SalesRevenueNet | $ 89,932 us-gaap_SalesRevenueNet | $ 81,571 us-gaap_SalesRevenueNet | $ 87,007 us-gaap_SalesRevenueNet | $ 83,406 us-gaap_SalesRevenueNet | $ 354,425 us-gaap_SalesRevenueNet | $ 341,916 us-gaap_SalesRevenueNet | $ 221,917 us-gaap_SalesRevenueNet | $ 215,620 us-gaap_SalesRevenueNet
Peripheral Vascular [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary of total net sales by product category |  |  |  |  |  |  |  |  |  |  |  |
Total |  |  |  |  |  |  |  |  | 192,626 us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = ango_PeripheralVascularMember | 179,573 us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = ango_PeripheralVascularMember | 95,330 us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = ango_PeripheralVascularMember |
Access [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary of total net sales by product category |  |  |  |  |  |  |  |  |  |  |  |
Total |  |  |  |  |  |  |  |  | 106,394 us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = ango_AccessMember | 106,690 us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = ango_AccessMember | 63,857 us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = ango_AccessMember |
Oncology/Surgery [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary of total net sales by product category |  |  |  |  |  |  |  |  |  |  |  |
Total |  |  |  |  |  |  |  |  | 49,360 us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = ango_OncologySurgeryMember | 47,155 us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = ango_OncologySurgeryMember | 62,730 us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = ango_OncologySurgeryMember |
Supply Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary of total net sales by product category |  |  |  |  |  |  |  |  |  |  |  |
Total |  |  |  |  |  |  |  |  | $ 6,045 us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = ango_SupplyAgreementMember | $ 8,498 us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = ango_SupplyAgreementMember | $ 0 us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = ango_SupplyAgreementMember |

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