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OUT-OF-PERIOD ERROR CORRECTIONS (Details) $ in Millions	3 Months Ended
	Jul. 31, 2015 USD ($)
OUT-OF-PERIOD ERROR CORRECTIONS [Abstract]
Out-of-period corrections	$ 0.4

X

- Definition

Amount of corrections of prior year errors in the current year financial statements when the effect of the prior year error was immaterial to the prior year financial statements and the current year correction is immaterial to the current year financial statements.

+ References

No definition available.

+ Details

Name:	hurc_ImmaterialErrorCorrections
Namespace Prefix:	hurc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- References

No definition available.

+ Details

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