Name:	hdsup_DebtInstrumentCollateralPledgedPercentageOfSpecifiedSubsidiaries
Namespace Prefix:	hdsup_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Represents the percentage of commitments component which the reporting entity's specified excess availability (as defined in the debt instrument) must exceed to avoid required compliance ratio requirements.

No definition available.

Name:	hdsup_DebtInstrumentCovenantComplianceSpecifiedExcessAvailabilityPercentageOfCommitmentsComponent
Namespace Prefix:	hdsup_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Represents the fixed amount which the reporting entity's specified excess availability (as defined in the debt instrument) must exceed to avoid required compliance ratio requirements.

No definition available.

Name:	hdsup_DebtInstrumentCovenantComplianceSpecifiedExcessAvailabilityThresholdComponent
Namespace Prefix:	hdsup_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Represents the period of time after the closing date for the debt instrument when the interest rate floats with specified variable rates. After this period of time has expired, the entity uses a pricing grid as specified in the debt instrument.

No definition available.

Name:	hdsup_DebtInstrumentPeriodOfTimeAfterClosingDateBeforePricingGridUsedToDetermineInterestRate
Namespace Prefix:	hdsup_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the fixed charge ratio (as defined in the debt instrument) which the reporting entity is required to maintain in the event of a Liquidity Event (as defined).

No definition available.

Name:	hdsup_FixedChargeCoverageRatio
Namespace Prefix:	hdsup_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

Represents the aggregate borrowing capacity under the line of credit facility, including permitted incremental term loans, revolving or letter of credit facilities that may be added to the facility.

No definition available.

Name:	hdsup_LineOfCreditFacilityMaximumBorrowingCapacityIncludingIncrementalCommitments
Namespace Prefix:	hdsup_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

No definition available.

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

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

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

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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

- Details

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

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

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

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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

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