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v3.23.1

Subsequent Events (Details) - Subsequent Event - i3 $ in Millions | May 03, 2023 USD ($) Engineers
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Subsequent Event [Line Items] |
Payments To Acquire Businesses | $ | $ 45.2
Number Of Engineers | Engineers | 55

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- Definition Number Of Engineers + References No definition available. + Details
Name: | hlio_NumberOfEngineers
Namespace Prefix: | hlio_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Payments to acquire businesses net of cash acquired. + References No definition available. + Details
Name: | hlio_PaymentsToAcquireBusinessesNetOfCashAcquired1
Namespace Prefix: | hlio_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_BusinessAcquisitionAxis=hlio_I3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |