XML 60 R49.htm IDEA: XBRL DOCUMENT
v3.8.0.1

BUSINESS COMBINATIONS - Narrative (Details) € in Millions, $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Jul. 02, 2017 USD ($) | Jul. 02, 2017 EUR (€) | Dec. 31, 2015 USD ($) | Dec. 31, 2015 EUR (€) | Dec. 30, 2017 USD ($) | Dec. 30, 2017 EUR (€)
Liteq B.V. [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Cash purchase price | $ 28.6 | € 25.0 |  |  |  |
Percentage of voting interests acquired |  |  | 100.00% | 100.00% |  |
Assembléon [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Cash purchase price |  |  | $ 97.4 | € 80.0 |  |
Escrow deposit |  |  |  |  | $ 5.0 | € 4.2
Equity [Member] | Assembléon [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Cash purchase price |  |  | 72.5 |  |  |
Intercompany Loans [Member] | Assembléon [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Cash purchase price |  |  | $ 24.9 |  |  |

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

X
- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_EscrowDeposit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=klic_LiteqB.V.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=klic_AssemblonMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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