v3.5.0.2
Document And Entity Information - shares
6 Months Ended
Oct. 02, 2016
Nov. 04, 2016
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)   134,040,375
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q2  
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Oct. 02, 2016