• Filing Date: 2017-08-09
  • Form Type: 10-Q
  • Description: Quarterly report
v3.7.0.1
Document and Entity Information - shares
3 Months Ended
Jun. 30, 2017
Aug. 04, 2017
Document and Entity Information [Abstract]    
Entity Registrant Name QUANTUM CORP /DE/  
Entity Central Index Key 0000709283  
Current Fiscal Year End Date --03-31  
Entity Filer Category Accelerated Filer  
Trading Symbol QTM  
Document Type 10-Q  
Document Period End Date Jun. 30, 2017  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   34,472,160