Amortization Period of purchase accounting inventory fair value step up amortization in PYM.

No definition available.

Name:	hbio_AmortizationPeriodOfPurchaseAccountingInventoryFairValueStepUpAmortization
Namespace Prefix:	hbio_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents the amount of intangible asset amortization expense of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

No definition available.

+ Details

Name:	hbio_BusinessCombinationProformaInformationAmortizationOfIntangibleAsets
Namespace Prefix:	hbio_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of purchase accounting inventory fair value step up amortization recognized in cost of revenues since the date of acquisition.

+ References

No definition available.

+ Details

Name:	hbio_BusniessCombinationPurchaseAccountingInventoryFairValueStepUpAmortization
Namespace Prefix:	hbio_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount preliminary inventory fair value set up.

+ References

No definition available.

+ Details

Name:	hbio_PreliminaryAmountOfInventoryFairValueStepUp
Namespace Prefix:	hbio_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

+ References

No definition available.

+ Details

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

- Definition

With respect to a business combination completed during the period, this element provides a description of the business, other than the name, which may include the industry, size, products and other important information.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

+ Details

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

- Definition

Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e848-128460

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e845-128460

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

- References

No definition available.

+ Details

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

- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6613-128477

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6578-128477

+ Details

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

- Definition

This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

+ Details

Name:	us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

+ Details

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Period Type:	duration

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

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- Details

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- Details

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- Details

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- Details

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Period Type:

Acquisitions (Narratives) (Details) - USD ($) $ in Millions		2 Months Ended	3 Months Ended
Acquisitions (Narratives) (Details) - USD ($) $ in Millions	Jan. 31, 2018	Mar. 31, 2018	Mar. 31, 2019
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition			Jan. 31, 2018
Acquisition purchase price	$ 71.1
Business Acquisition, Description of Acquired Entity			DSI, a St. Paul, Minnesota-based life science research company, is a recognized leader in physiologic monitoring focused on delivering preclinical products, systems, services and solutions to its customers.
Business Acquisition Direct Acquisition Costs In Income Statement		$ 2.6	$ 0.0
The results of operations for DSI:
Revenue of Acquiree since Acquisition Date		7.6
Earnings or Loss of Acquiree since Acquisition Date		0.4
Busniess combination purchase accounting inventory fair value step up amortization		1.5
Preliminary amount of inventory fair value step up		3.8
Intangible asset amortization expense		$ 0.7
Data Sciences International, Inc. (DSI) [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Assets, Weighted Average Useful Life			9 years 3 months 18 days
The results of operations for DSI:
Amortization Period of purchase accounting inventory fair value step up amortization			5 years 6 months
Trade Names [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Assets, Weighted Average Useful Life			7 years 6 months
Trade Names [Member] \| Data Sciences International, Inc. (DSI) [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Assets, Weighted Average Useful Life			9 years 4 months 24 days
Developed Technology [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Assets, Weighted Average Useful Life			6 years 10 months 24 days
Developed Technology [Member] \| Data Sciences International, Inc. (DSI) [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Assets, Weighted Average Useful Life			8 years 2 months 12 days
Customer Relationships [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Assets, Weighted Average Useful Life			10 years 4 months 24 days
Customer Relationships [Member] \| Data Sciences International, Inc. (DSI) [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Assets, Weighted Average Useful Life			12 years 4 months 24 days
In-process research and development [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Assets, Weighted Average Useful Life			7 years 2 months 12 days
In-process research and development [Member] \| Data Sciences International, Inc. (DSI) [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Assets, Weighted Average Useful Life			7 years 4 months 24 days