Represents the number of pharmacies.

No definition available.

Name:	fred_NumberOfPharmacies
Namespace Prefix:	fred_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the pharmacy facilities.

+ References

No definition available.

+ Details

Name:	fred_NumberOfPharmacyFacilities
Namespace Prefix:	fred_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The number represent of the number of retail pharmacy stores.

+ References

No definition available.

+ Details

Name:	fred_NumberOfStores1
Namespace Prefix:	fred_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of termination fee received.

+ References

No definition available.

+ Details

Name:	fred_TerminationFeeReceived
Namespace Prefix:	fred_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6676-107765

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section 35
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=68049868&loc=d3e3927-108312

Reference 3: 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(a))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_InventoryNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The number of states the entity operates in as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of stores.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfStores
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585

+ Details

Name:	us-gaap_ProceedsFromSaleOfProductiveAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	dei_LegalEntityAxis=fred_DiscountGeneralMerchandiseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=fred_AssetPurchaseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=fred_RiteAidCorporationRiteAidAndWalgreensBootsAllianceIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=fred_AdvanceCareScriptsIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=fred_EntrustMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

BASIS OF PRESENTATION (Details Narrative) $ in Thousands		9 Months Ended
BASIS OF PRESENTATION (Details Narrative) $ in Thousands	May 04, 2018 USD ($)	Nov. 03, 2018 USD ($) Number	Oct. 28, 2017 USD ($)	Feb. 03, 2018 USD ($)	Jun. 30, 2017 USD ($)	Dec. 19, 2016 USD ($) Number
Number of stores		589
Number of pharmacy facilities		3
Number of states		15
Proceeds from of assets \| $		$ 2,203	$ 1,276
Inventory \| $		$ 236,066		$ 263,831
General Merchandise [Member]
Number of stores		12
Number of retail Pharmacy stores		179
Number of pharmacy		346
Asset Purchase Agreement [Member] \| Rite Aid Corporation & Walgreens Boots Alliance, Inc [Member]
Number of stores						865
Total purchase consideration \| $						$ 950,000
Termination fee received \| $					$ 25,000
Asset Purchase Agreement [Member] \| Advance Care Scripts, Inc. [Member] \| Entrust Discontinued Operations [Member]
Proceeds from of assets \| $	$ 40,000
Asset Purchase Agreement [Member] \| Advance Care Scripts, Inc. [Member] \| Entrust Discontinued Operations [Member] \| Maximum [Member]
Inventory \| $	$ 5,500