Charges incurred for severance costs, contract termination and consulting fees related to organizational changes.

No definition available.

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Namespace Prefix:	dest_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of costs incurred for legal and other professional fees associated with proposed business combination.

+ References

No definition available.

+ Details

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Namespace Prefix:	dest_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of consulting agreements.

+ References

No definition available.

+ Details

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Namespace Prefix:	dest_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Other charges related to proposed business combination and management and organizational changes.

+ References

No definition available.

+ Details

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Namespace Prefix:	dest_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Potential consulting fee receivable for each fully completed construction project.

+ References

No definition available.

+ Details

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Namespace Prefix:	dest_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Potential consulting fee receivable for each fully executed real estate lease.

+ References

No definition available.

+ Details

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Namespace Prefix:	dest_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The aggregate revenue from real estate operations during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(e))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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Namespace Prefix:
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- Details

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- Details

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Other Charges - Additional Information (Details)	3 Months Ended
Other Charges - Additional Information (Details)	Apr. 29, 2017 USD ($)	Apr. 30, 2016 USD ($)	Dec. 19, 2016 USD ($) Agreement
Other Charges Related To Proposed Business Combination And Management And Organizational Changes [Line Items]
Charges related to proposed business combination	$ 814,000	$ 221,000
Number of consulting agreements \| Agreement			3
Charges related to management and organizational changes	3,000	$ 448,000
Consulting Agreement One
Other Charges Related To Proposed Business Combination And Management And Organizational Changes [Line Items]
Revenue for real estate consulting services	$ 10,000
Consulting Agreement One \| Maximum
Other Charges Related To Proposed Business Combination And Management And Organizational Changes [Line Items]
Potential consulting fee receivable for each fully executed real estate lease			$ 65,000
Consulting Agreement Two \| Maximum
Other Charges Related To Proposed Business Combination And Management And Organizational Changes [Line Items]
Potential consulting fee receivable for each fully completed construction project			$ 34,000