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Sale Of Intellectual Property (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2011
Sale of intellectual property	$ 0.3

X

- Definition

Gain or Loss on Sale of Intellectual Property

+ References

No definition available.

+ Details

Name:	har_GainOrLossOnSaleOfIntellectualProperty
Namespace Prefix:	har_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration