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

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

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- 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

- 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
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Fair Value Measurements (Assets And Liabilities Measured At Fair Value On Recurring Basis) (Detail) (USD $)										12 Months Ended
	Jun. 28, 2014	Jun. 28, 2014 Level 1	Jun. 29, 2013 Level 1	Jun. 28, 2014 Level 2	Jun. 29, 2013 Level 2	Jun. 28, 2014 Level 3	Jun. 29, 2013 Level 3	Jun. 28, 2014 Total Fair Value	Jun. 29, 2013 Total Fair Value	Jun. 28, 2014 Line of Credit One-Month London Interbank Offered Rate	Jun. 28, 2014 Line of Credit Federal Funds Rate	Jun. 28, 2014 Line of Credit Debt Instrument, Basis Spread on Variable Rate, Scenario One Fixed Rate	Jun. 28, 2014 Line of Credit Debt Instrument, Basis Spread on Variable Rate, Scenario Two Fixed Rate	Jun. 28, 2014 Line of Credit Debt Instrument, Basis Spread on Variable Rate, Scenario Three Fixed Rate	Jun. 28, 2014 Repurchase Agreements Fixed Rate
Fair Value Disclosures [Line Items]
Foreign currency forward contracts, Financial Assets		$ 0	$ 0	$ 3,641,000	$ 2,429,000	$ 0	$ 0	$ 3,641,000	$ 2,429,000
Foreign currency forward contracts, Financial Liabilities			0		(434,000)		0		(434,000)
Debt Instrument, Basis Spread on Variable Rate										1.50%	1.50%	1.75%	2.00%	2.25%	2.25%
Secured Debt, Repurchase Agreements	$ 7,900,000