This amount represents the combined annual rent and service charges for the maximum range of initial term.

No definition available.

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Namespace Prefix:	klic_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This amount represents the combined annual rent and service charges for the minimum range of initial term.

+ References

No definition available.

+ Details

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Namespace Prefix:	klic_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Capital Lease Obligations, Interest Rate, Effective Percentage

+ References

No definition available.

+ Details

Name:	klic_CapitalLeaseObligationsInterestRateEffectivePercentage
Namespace Prefix:	klic_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Lessee Leasing Arrangements, Capital Leases, Number of Renewal Options

+ References

No definition available.

+ Details

Name:	klic_LesseeLeasingArrangementsCapitalLeasesNumberofRenewalOptions
Namespace Prefix:	klic_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Term of the lessee's leasing arrangement renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	klic_LesseeLeasingArrangementsCapitalLeasesRenewalTerm
Namespace Prefix:	klic_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	klic_LesseeLeasingArrangementsCapitalLeasesTermofContract
Namespace Prefix:	klic_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents percentage of building area agreed to lease from the landlord.

+ References

No definition available.

+ Details

Name:	klic_PercentageOfBuildingAreaAgreedToLeaseFromLandlord
Namespace Prefix:	klic_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Area of land held.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfLand
Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

- 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_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

+ Details

Name:	us-gaap_GuaranteeObligationsCurrentCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=klic_KSCorporateHeadquartersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember
Namespace Prefix:
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Period Type:

DEBT AND OTHER OBLIGATIONS (Narrative) (Details) $ in Thousands	12 Months Ended
	Oct. 03, 2015 USD ($) renewal_option	Nov. 19, 2014 USD ($)	Sep. 27, 2014 USD ($)	Dec. 01, 2013 USD ($)	Nov. 22, 2013 USD ($)	May. 07, 2012 ft²
Debt Instrument [Line Items]
Area of Land \| ft²						198,000
Percentage Of Building Area Agreed To Lease From Landlord						70.00%
Line of Credit Facility, Maximum Borrowing Capacity	$ 5,000
Financing obligation	$ 16,483		$ 19,102	$ 20,000
Bank Guarantee Of Non Controlling Interest		$ 3,500			$ 3,400
K&S Corporate Headquarters [Member]
Debt Instrument [Line Items]
Lessee Leasing Arrangements, Capital Leases, Renewal Term	10 years
Annual Rent and Service Charge Minimum Range	$ 4,000
Annual Rent and Service Charge Maximum Range	$ 5,000
Lessee Leasing Arrangements, Capital Leases, Term of Contract	10 years
Lessee Leasing Arrangements, Capital Leases, Number of Renewal Options \| renewal_option	2
Capital Lease Obligations, Interest Rate, Effective Percentage	6.30%
Building [Member]
Debt Instrument [Line Items]
Property, Plant and Equipment, Useful Life	25 years