v3.5.0.2
DOCUMENT AND ENTITY INFORMATION - shares
9 Months Ended
Jul. 02, 2016
Aug. 01, 2016
Document and Entity Information [Abstract]    
Entity Registrant Name KULICKE & SOFFA INDUSTRIES INC  
Entity Central Index Key 0000056978  
Current Fiscal Year End Date --10-01  
Entity Filer Category Large Accelerated Filer  
Trading Symbol klic  
Entity Common Stock, Shares Outstanding   70,401,751
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jul. 02, 2016  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2016