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INCOME TAXES (Summary of Open Tax Years) (Details)	12 Months Ended
	Oct. 31, 2016
United States federal [Member]
Income Tax Contingency [Line Items]
Open tax years	Fiscal 2013 through the current period
Germany [Member]
Income Tax Contingency [Line Items]
Open tax years	Fiscal 2013 through the current period	[1]
Taiwan [Member]
Income Tax Contingency [Line Items]
Open tax years	Fiscal 2013 through the current period
[1] Includes federal as well as state, provincial or similar local jurisdictions, as applicable.

X

- Definition

Tax year that remains open to examination under enacted tax laws.

+ References

No definition available.

+ Details

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

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

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

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeTaxAuthorityAxis=country_DE
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeTaxAuthorityAxis=country_TW
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: