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Revenue Recognition Cato Credit Card - (Details) - USD ($)	6 Months Ended
	Aug. 04, 2018	Jul. 29, 2017
RevenueRecognitionAndDeferredRevenueAbstract
Proprietary Credit Card Uncollectable amounts	$ 458,000	$ 457,000
Proprietary Credit Card Sales	$ 14,100,000	$ 13,300,000

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- References

No definition available.

+ Details

Name:	cato_Proprietarycreditcardsales
Namespace Prefix:	cato_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	cato_Uncollectedamount
Namespace Prefix:	cato_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- References

No definition available.

+ Details

Name:	us-gaap_RevenueRecognitionAndDeferredRevenueAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration