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Segment and Enterprise Wide Disclosures - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2013
Segment Reporting Information [Line Items]      
Number of business segments 1us-gaap_NumberOfOperatingSegments    
Goodwill 31,534us-gaap_Goodwill 37,990us-gaap_Goodwill 35,410us-gaap_Goodwill
United States      
Segment Reporting Information [Line Items]      
Percentage of total consolidated assets 77.00%abmd_PercentageOfCompanyAssets
/ us-gaap_StatementGeographicalAxis
= country_US		 74.00%abmd_PercentageOfCompanyAssets
/ us-gaap_StatementGeographicalAxis
= country_US		  
Europe      
Segment Reporting Information [Line Items]      
Goodwill 46,200us-gaap_Goodwill
/ us-gaap_StatementGeographicalAxis
= us-gaap_EuropeMember		 38,000us-gaap_Goodwill
/ us-gaap_StatementGeographicalAxis
= us-gaap_EuropeMember		  
International      
Segment Reporting Information [Line Items]      
Percentage of total consolidated assets, excluding goodwill 10.00%abmd_PercentageOfAssetsByGeographicRegionsExcludingGoodwill
/ us-gaap_StatementGeographicalAxis
= abmd_InternationalMember		 8.00%abmd_PercentageOfAssetsByGeographicRegionsExcludingGoodwill
/ us-gaap_StatementGeographicalAxis
= abmd_InternationalMember		  
Percentage of total product revenue 10.00%abmd_PercentageOfRevenuesByGeographicRegions
/ us-gaap_StatementGeographicalAxis
= abmd_InternationalMember		 9.00%abmd_PercentageOfRevenuesByGeographicRegions
/ us-gaap_StatementGeographicalAxis
= abmd_InternationalMember		 7.00%abmd_PercentageOfRevenuesByGeographicRegions
/ us-gaap_StatementGeographicalAxis
= abmd_InternationalMember