XML 78 R66.htm IDEA: XBRL DOCUMENT
v3.25.2

REVENUE FROM CONTRACTS WITH CUSTOMERS - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Sep. 30, 2024
Revenue from Contract with Customer [Abstract] |  |  |  |  |
Revenue from performance contracts | $ 309.8 | $ 294.4 | $ 941.4 | $ 880.4 |
Performance bonuses recognized | 14.1 | $ 11.8 | 48.1 | $ 37.4 |
Capitalized fulfillment costs | $ 33.2 |  | $ 33.2 |  | $ 19.2

X
- Definition ContractWithCustomerLiabilityRevenueRecognizedIncludingOpeningBalance + References No definition available. + Details
Name: | hp_ContractWithCustomerLiabilityRevenueRecognizedIncludingOpeningBalance
Namespace Prefix: | hp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Contract with Customer Liability Revenue Recognized Including Opening Balance on Achievement of Performance Targets + References No definition available. + Details
Name: | hp_ContractWithCustomerLiabilityRevenueRecognizedIncludingOpeningBalanceOnAchievementOfPerformanceTargets
Namespace Prefix: | hp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479483/340-40-50-3 + Details
Name: | us-gaap_CapitalizedContractCostNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_RevenueFromContractWithCustomerAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration