Annual report pursuant to Section 13 and 15(d)

BALANCE SHEET DETAILS - Schedule of Property and Equipment (Details)

v2.4.1.9
BALANCE SHEET DETAILS - Schedule of Property and Equipment (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2013
Property, Plant and Equipment [Line Items]      
Property and equipment, gross $ 148,464us-gaap_PropertyPlantAndEquipmentGross $ 146,026us-gaap_PropertyPlantAndEquipmentGross  
Less: accumulated depreciation (133,811)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment (128,452)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment  
Property and equipment, net 14,653us-gaap_PropertyPlantAndEquipmentNet 17,574us-gaap_PropertyPlantAndEquipmentNet 21,456us-gaap_PropertyPlantAndEquipmentNet
Machinery and equipment      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross 122,339us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_MachineryAndEquipmentMember
119,783us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_MachineryAndEquipmentMember
 
Furniture and fixtures      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross 5,816us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
6,127us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
 
Leasehold improvements      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross $ 20,309us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember
$ 20,116us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember