v3.3.1.900
DOCUMENT AND ENTITY INFORMATION - shares
3 Months Ended
Jan. 02, 2016
Feb. 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   70,363,966
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jan. 02, 2016  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2016