Fair Value Disclosures [Line Items]

No definition available.

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

- 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

- 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=51816387&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 ($) $ in Thousands	12 Months Ended
	Jun. 27, 2015	Jun. 28, 2014
Fair Value Disclosures [Line Items]
Secured Debt, Repurchase Agreements	$ 7,900
Level 1
Fair Value Disclosures [Line Items]
Foreign currency forward contracts, Financial Assets	0	$ 0
Level 2
Fair Value Disclosures [Line Items]
Foreign currency forward contracts, Financial Assets	25	3,641
Level 3
Fair Value Disclosures [Line Items]
Foreign currency forward contracts, Financial Assets	0	0
Total Fair Value
Fair Value Disclosures [Line Items]
Foreign currency forward contracts, Financial Assets	$ 25	$ 3,641
Line of Credit \| One-Month London Interbank Offered Rate
Fair Value Disclosures [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.50%
Line of Credit \| Federal Funds Rate
Fair Value Disclosures [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.50%
Debt Instrument, Basis Spread on Variable Rate, Scenario One \| Long-term Debt [Member] \| Fixed Rate
Fair Value Disclosures [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.75%
Debt Instrument, Basis Spread on Variable Rate, Scenario Two \| Long-term Debt [Member] \| Fixed Rate
Fair Value Disclosures [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.00%
Debt Instrument, Basis Spread on Variable Rate, Scenario Three \| Long-term Debt [Member] \| Fixed Rate
Fair Value Disclosures [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.25%
Line of Credit \| Debt Instrument, Basis Spread on Variable Rate, Scenario One \| Line of Credit \| Fixed Rate
Fair Value Disclosures [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.75%
Line of Credit \| Debt Instrument, Basis Spread on Variable Rate, Scenario Two \| Line of Credit \| Fixed Rate
Fair Value Disclosures [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.00%
Line of Credit \| Debt Instrument, Basis Spread on Variable Rate, Scenario Three \| Line of Credit \| Fixed Rate
Fair Value Disclosures [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.25%
Repurchase Agreements \| Fixed Rate
Fair Value Disclosures [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.25%
Interest Rate Swap
Fair Value Disclosures [Line Items]
Foreign currency forward contracts, Financial Liabilities	$ (443)
Interest Rate Swap \| Level 1
Fair Value Disclosures [Line Items]
Foreign currency forward contracts, Financial Liabilities	0
Interest Rate Swap \| Level 2
Fair Value Disclosures [Line Items]
Foreign currency forward contracts, Financial Liabilities	(443)
Interest Rate Swap \| Level 3
Fair Value Disclosures [Line Items]
Foreign currency forward contracts, Financial Liabilities	0
Forward Contracts
Fair Value Disclosures [Line Items]
Foreign currency forward contracts, Financial Liabilities	(6,799)
Forward Contracts \| Level 1
Fair Value Disclosures [Line Items]
Foreign currency forward contracts, Financial Liabilities	0
Forward Contracts \| Level 2
Fair Value Disclosures [Line Items]
Foreign currency forward contracts, Financial Liabilities	(6,799)
Forward Contracts \| Level 3
Fair Value Disclosures [Line Items]
Foreign currency forward contracts, Financial Liabilities	$ 0