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Fair Value Measurements (Assets And Liabilities Measured At Fair Value On Recurring Basis) (Detail) (USD $) | Jun. 29, 2013 | Jun. 30, 2012
--- | --- | ---
Fair Value Disclosures [Line Items] |  |
Federal Funds Rate Plus Percentage | 1.50% |
Line of Credit Facility, Amount Outstanding |  | $ 15,000,000
Level 1 |  |
Fair Value Disclosures [Line Items] |  |
Foreign currency forward contracts, Financial Assets | 0 | 0
Foreign currency forward contracts, Financial Liabilities | 0 | 0
Level 2 |  |
Fair Value Disclosures [Line Items] |  |
Foreign currency forward contracts, Financial Assets | 2,429,000 | 858,000
Foreign currency forward contracts, Financial Liabilities | (434,000) | (1,851,000)
Level 3 |  |
Fair Value Disclosures [Line Items] |  |
Foreign currency forward contracts, Financial Assets | 0 | 0
Foreign currency forward contracts, Financial Liabilities | 0 | 0
Total Fair Value |  |
Fair Value Disclosures [Line Items] |  |
Foreign currency forward contracts, Financial Assets | 2,429,000 | 858,000
Foreign currency forward contracts, Financial Liabilities | $ (434,000) | $ (1,851,000)
Minimum |  |
Fair Value Disclosures [Line Items] |  |
Debt Instrument, Basis Spread on Variable Rate | 1.50% |
Maximum |  |
Fair Value Disclosures [Line Items] |  |
Debt Instrument, Basis Spread on Variable Rate | 2.50% |

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- Details
Name: | ktcc_FairValueDisclosuresLineItems
Namespace Prefix: | ktcc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Federal Funds Rate Plus Percentage + References No definition available. + Details
Name: | ktcc_FederalFundsRatePlusPercentage
Namespace Prefix: | ktcc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References No definition available. + Details
Name: | us-gaap_AssetsFairValueDisclosureRecurring
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition The percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Aggregation of the liabilities reported on the balance sheet measured at fair value on a recurring basis by the entity. + References No definition available. + Details
Name: | us-gaap_LiabilitiesFairValueDisclosureRecurring
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount borrowed under the credit facility as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityAmountOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant