XML 74 R48.htm IDEA: XBRL DOCUMENT
v3.20.1

LEASES - Narrative (Details) $ in Thousands | 6 Months Ended |  |
--- | --- | --- | ---
Mar. 28, 2020 USD ($) extend_options | Sep. 28, 2019 USD ($) | Dec. 01, 2013 USD ($)
Lessee, Lease, Description [Line Items] |  |  |
Options to extend | extend_options | 1 |  |
Financing obligation | $ 0 | $ 14,207 | $ 20,000
Current and Noncurrent Portion |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Financing obligation |  | $ 15,000 |
Building |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Property, plant and equipment, useful life | 25 years |  |
Minimum |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Operating lease, term of contract | 1 year |  |
Maximum |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Operating lease, term of contract | 20 years |  |

X
- Definition Leases, Number of Options To Extend + References No definition available. + Details
Name: | klic_LeasesNumberofOptionsToExtend
Namespace Prefix: | klic_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_LesseeLeaseDescriptionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Present value of minimum lease payments for sale-leaseback transactions accounted for using the deposit method or as a financing. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737 + Details
Name: | us-gaap_PresentValueOfFutureMinimumLeasePaymentsSaleLeasebackTransactions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=klic_CurrentandNoncurrentPortionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |