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Trade Accounts Receivable Purchase Program (Detail) (USD $) | 3 Months Ended |  |
--- | --- | --- | ---
Sep. 27, 2014 | Jun. 28, 2014 | Jun. 25, 2014
Receivables [Abstract] |  |  |
Account Purchase Agreement Maximum Aggregate Amount |  |  | $ 50,000,000
Trade Accounts Receivable Sold To Third Party | 9,000,000 |  |
Secured Debt, Repurchase Agreements | $ 31,000 | $ 7,900,000 |

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- Definition This amount represents the maximum amount of receivables eligible to be sold under the Account Purchase Agreement. + References No definition available. + Details
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Namespace Prefix: | ktcc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Trade Accounts Receivable Sold To Third Party + References No definition available. + Details
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Namespace Prefix: | ktcc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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- Definition Carrying value, as of the balance sheet date, of securities sold under agreements to repurchase where the transferor maintains effective control over the assets, accounting for them as secured debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(m)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 10 -Section 55 -Paragraph 51 -URI http://asc.fasb.org/extlink&oid=7580763&loc=d3e101761-111710 + Details
Name: | us-gaap_SecuredDebtRepurchaseAgreements
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