Summary of Significant Accounting Policies (Details 8) - USD ($) $ in Thousands	Aug. 01, 2015	Jan. 31, 2015
Trademarks
Trademarks, net	$ 40,706	$ 39,821
Trademarks
Trademarks
Accumulated amortization	(17,215)	(16,794)
Trademarks, net	40,706	39,821
Acquired Trademarks
Trademarks
Trademarks, gross	49,255	47,994
Other Trademarks
Trademarks
Trademarks, gross	$ 8,666	$ 8,621

The gross carrying amount as of the balance sheet date of finite-lived and indefinite-lived trademarks.

No definition available.

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Namespace Prefix:	chke_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The net carrying amount as of the balance sheet date of finite-lived and indefinite-lived trademarks.

+ References

No definition available.

+ Details

Name:	chke_FiniteAndIndefiniteLivedTrademarksNet
Namespace Prefix:	chke_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	chke_IntangibleAssetsLineItems
Namespace Prefix:	chke_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

+ Details

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

- Details

Name:	chke_IntangibleAssetsByMajorClassAxis=us-gaap_TrademarksMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	chke_IntangibleAssetsByMajorClassAxis=chke_AcquiredTrademarksMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	chke_IntangibleAssetsByMajorClassAxis=chke_OtherTrademarksMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: