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Revenue Recognition Cato Credit Card - (Details) - USD ($)	3 Months Ended
	May 04, 2019	May 05, 2018
RevenueRecognitionAndDeferredRevenueAbstract
Proprietary Credit Card Uncollectable amounts	$ 226,000	$ 225,000
Proprietary Credit Card Sales	$ 6,900,000	$ 7,000,000

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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