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Enterprise-Wide Disclosures (Percentage Of Net Sales To And Trade Accounts Receivables From Significant Customers) (Detail)	12 Months Ended
	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.

X

- 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

X

- 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

X

- Details

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