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REVENUE AND CONTRACT BALANCES - Contract liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended
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Oct. 01, 2022 | Oct. 02, 2021
Change in Contract with Customer, Liability [Roll Forward] |  |
Contract liabilities, beginning of period | $ 15,596 | $ 2,958
Revenue recognized | (116,399) | (59,368)
Additions | 103,963 | 72,006
Contract liabilities, end of period | $ 3,160 | $ 15,596

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- Definition Change in Contract with Customer, Liability + References No definition available. + Details
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- Definition Contract with Customer, Liability, Increase (Decrease) Additions + References No definition available. + Details
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Namespace Prefix: | klic_
Data Type: | xbrli:monetaryItemType
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130549-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130532-203044 + Details
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130549-203045 + Details
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Balance Type: | credit
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