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Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	May 04, 2019	May 05, 2018
Fair Value of Financial Instruments [Abstract]
Deferred Compensation Plan Assets	$ 1,800	$ 2,100
Deferred Compensation Liability	$ 1,800	$ 2,100

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- Definition

Fair Value of Financial Instruments [Abstract]

+ References

No definition available.

+ Details

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Namespace Prefix:	kirk_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer).

+ References

No definition available.

+ Details

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

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- Definition

Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	debit
Period Type:	instant