v3.7.0.1
Document And Entity Information - shares
3 Months Ended
Jul. 02, 2017
Aug. 04, 2017
Document Information [Abstract]    
Entity Registrant Name INTEGRATED DEVICE TECHNOLOGY INC  
Entity Central Index Key 0000703361  
Current Fiscal Year End Date --04-02  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding (in shares)   133,445,145
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q1  
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jul. 02, 2017