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GUARANTEES AND PRODUCT WARRANTIES (Narrative) (Details) $ in Millions	9 Months Ended
	Jul. 31, 2018 USD ($)
Product Warranty Liability [Line Items]
Number Of Guarantees	23
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 0.6
Term of Product Warranty	1 year

X

- Definition

Number of guarantees.

+ References

No definition available.

+ Details

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Namespace Prefix:	hurc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Term of Product Warranty.

+ References

No definition available.

+ Details

Name:	hurc_TermOfProductWarranty
Namespace Prefix:	hurc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=115931803&loc=d3e12069-110248

+ Details

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

X

- 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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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