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Enterprise-Wide Disclosures (Percentage Of Net Sales To And Trade Accounts Receivables From Significant Customers) (Detail) | 12 Months Ended
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Jun. 30, 2010 | Jun. 30, 2012 Customer A [Member] | Jul. 02, 2011 Customer A [Member] | Jun. 30, 2012 Customer B [Member] | Jul. 02, 2011 Customer B [Member] | Jul. 03, 2010 Customer B [Member] | Jun. 30, 2012 Customer C [Member] | Jul. 02, 2011 Customer C [Member] | Jul. 03, 2010 Customer C [Member] | Jul. 03, 2010 Customer D [Member]
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percent of Net Sales | 10.00% | 29.00% | 15.00% | 17.00% | 16.00% | 12.00% | 16.00% | 16.00% | 18.00% | 10.00% | [1]
Percentage of Trade Accounts Receivable |  | 30.00% | 21.00% | 16.00% | 14.00% |  | 20.00% | 20.00% |  |  |
[1] | Amount was less than 10% of total.

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- Definition Entity Wide Trade Receivables Major Customer Percentage + References No definition available. + Details
Name: | ktcc_EntityWideTradeReceivablesMajorCustomerPercentage
Namespace Prefix: | ktcc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues. + References No definition available. + Details
Name: | us-gaap_EntityWideRevenueMajorCustomerPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration