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Document and Entity Information
Mar. 03, 2022
Cover [Abstract]  
Document Type 8-K
Document Period End Date Mar. 03, 2022
Entity Registrant Name KULICKE & SOFFA INDUSTRIES INC
Entity Central Index Key 0000056978
Amendment Flag false
Entity Incorporation, State or Country Code PA
Entity File Number 000-00121
Entity Tax Identification Number 23-1498399
Entity Addresses [Line Items]  
Entity Address, Address Line One 23A Serangoon North Avenue 5
Entity Address, Address Line Two #01-01
Entity Address, Country SG
Entity Address, City or Town Singapore
Entity Address, Postal Zip Code 554369
City Area Code 215
Local Phone Number 784-6000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Principal Executive Offices  
Entity Addresses [Line Items]  
Entity Address, Address Line One 1005 Virginia Dr.
Entity Address, City or Town Fort Washington
Entity Address, Postal Zip Code 19034
Entity Address, State or Province PA