DEBT - Senior Secured Term Loan Facility (Details) - Secured debt - HDS (Debt Issuer) - Credit facility - Term Loan Facility due 2021 $ in Millions	3 Months Ended
May. 01, 2016 USD ($)
DEBT
Aggregate principal amount	$ 850
Amortization of debt, aggregate annual amounts as a percentage of original principal amount (as a percent)	1.00%
LIBOR
DEBT
Percentage added to reference rate (as a percent)	2.75%
Interest rate floor (as a percent)	1.00%
Base
DEBT
Percentage added to reference rate (as a percent)	1.75%

Represents the aggregate annual amount of debt instruments to be amortized as a percentage of the original principal amount.

No definition available.

+ Details

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Namespace Prefix:	hds_
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Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

+ Details

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

- Definition

Minimum contractual interest rate for funds borrowed, under the debt agreement.

+ References

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 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

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- Details

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Namespace Prefix:
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- Details

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- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_DebtInstrumentAxis=hds_TermLoanFacilityMember
Namespace Prefix:
Data Type:	na
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- Details

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- Details

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