Debt Instrument, Covenant, Days of Availability

No definition available.

Name:	asna_DebtInstrumentCovenantDaysofAvailability
Namespace Prefix:	asna_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Covenant, Fixed Charge Coverage Ratio

+ References

No definition available.

+ Details

Name:	asna_DebtInstrumentCovenantFixedChargeCoverageRatio
Namespace Prefix:	asna_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Covenant, Percentage of Credit Limit

+ References

No definition available.

+ Details

Name:	asna_DebtInstrumentCovenantPercentageofCreditLimit
Namespace Prefix:	asna_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of Credit Facility, Additional Borrowing Capacity

+ References

No definition available.

+ Details

Name:	asna_LineOfCreditFacilityAdditionalBorrowingCapacity
Namespace Prefix:	asna_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Covenant Terms, Remaining Borrowing Capacity

+ References

No definition available.

+ Details

Name:	asna_LineofCreditFacilityCovenantTermsRemainingBorrowingCapacity
Namespace Prefix:	asna_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

Name:	asna_Lineofcreditavailableinexcessof
Namespace Prefix:	asna_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line of credit facility, maturity, extension,days prior to term loan maturity

+ References

No definition available.

+ Details

Name:	asna_Lineofcreditfacilitymaturityextensiondayspriortotermloanmaturity
Namespace Prefix:	asna_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of credit facility, maturity, extension, years from closing date

+ References

No definition available.

+ Details

Name:	asna_Lineofcreditfacilitymaturityextensionyearsfromclosingdate
Namespace Prefix:	asna_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of credit, in excess of, percentage of credit limit

+ References

No definition available.

+ Details

Name:	asna_Lineofcreditinexcessofpercentageofcreditlimit
Namespace Prefix:	asna_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Term loan, outstanding principal amount

+ References

No definition available.

+ Details

Name:	asna_Termloanoutstandingprincipalamount
Namespace Prefix:	asna_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ 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(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

Name:	us-gaap_DebtInstrumentAxis=us-gaap_LetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=asna_SwinglineLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=asna_TermLoanFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt (Amended Revolving Credit Agreement) (Details)	Feb. 28, 2018 USD ($)	Feb. 01, 2020 USD ($)	Sep. 20, 2019 USD ($)
Revolving credit facility
Debt Instrument [Line Items]
Debt maximum borrowing capacity	$ 500,000,000
Optional additional increase in credit facility	$ 200,000,000
Line of credit facility, maturity, extension, years from closing date	5 years
Line of credit facility, maturity, extension,days prior to term loan maturity	91 days
Line of credit available, in excess of	$ 100,000,000
Line of credit, in excess of, percentage of credit limit	20.00%
Borrowings under line of credit		$ 0
Line of credit facility, remaining borrowing availability		$ 247,200,000
Credit limit, percent	10.00%
Remaining borrowing capacity	$ 37,500,000.0
Revolving credit facility \| Maximum
Debt Instrument [Line Items]
Days of availability	30 days
Revolving credit facility \| Minimum
Debt Instrument [Line Items]
Fixed charge coverage ratio	1.00
Days of availability	3 days
Letter of Credit [Member] \| Revolving credit facility
Debt Instrument [Line Items]
Debt maximum borrowing capacity			$ 200,000,000
Swingline Loans \| Revolving credit facility
Debt Instrument [Line Items]
Debt maximum borrowing capacity	$ 30,000,000
Term Loan \| Maximum
Debt Instrument [Line Items]
Term loan, outstanding principal amount	$ 150,000,000