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Description of Business and Significant Accounting Policies - Inventory (Details) - USD ($) $ in Millions | Feb. 02, 2019 | Feb. 03, 2018
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Inventory [Abstract] |  |
Distribution center costs included in inventory | $ 6.1 | $ 5.1

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- Definition Inventory [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 The actual or estimated amount of general and administrative expense remaining in inventory as of the balance sheet date. + 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 210.5-02.6(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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Balance Type: | debit
Period Type: | instant