XML 69 R50.htm IDEA: XBRL DOCUMENT v3.23.3

PROPERTY, PLANT AND EQUIPMENT - Schedule of Assets Held-for-Sale (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Change In Assets Held-For-Sale [Roll Forward]
Assets held-for-sale, beginning balance	$ 4,333	$ 71,453
Asset additions	1,177	2,580
Sale of assets held-for-sale	(2,132)	(67,592)
Reclassification to assets held and used		(2,108)
Impairment Expense	(2,733)
Assets held-for-sale, ending balance	$ 645	$ 4,333

X

- Definition

Assets Held-For-Sale, Not Part Of Disposal Group, Additions

+ References

No definition available.

+ Details

Name:	hp_AssetsHeldForSaleNotPartOfDisposalGroupAdditions
Namespace Prefix:	hp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Assets Held-For-Sale, Not Part Of Disposal Group, Reclassification

+ References

No definition available.

+ Details

Name:	hp_AssetsHeldForSaleNotPartOfDisposalGroupReclassification
Namespace Prefix:	hp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Assets Held-For-Sale, Not Part Of Disposal Group, Sales

+ References

No definition available.

+ Details

Name:	hp_AssetsHeldForSaleNotPartOfDisposalGroupSales
Namespace Prefix:	hp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Change In Assets Held-For-Sale

+ References

No definition available.

+ Details

Name:	hp_ChangeInAssetsHeldForSaleRollForward
Namespace Prefix:	hp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481372/852-10-55-10

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 15
-Paragraph 4
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482309/360-10-15-4

+ Details

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

X

- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482130/360-10-45-15

+ Details

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