v2.4.0.6
Document and Entity Information
3 Months Ended
Apr. 03, 2011
May 02, 2011
Document and Entity Information    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Apr. 03, 2011  
Document Fiscal Year Focus 2011  
Document Fiscal Period Focus Q1  
Trading Symbol cy  
Entity Registrant Name CYPRESS SEMICONDUCTOR CORP /DE/  
Entity Central Index Key 0000791915  
Current Fiscal Year End Date --01-01  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   168,032,433