Joint Venture Contribution Distribution Operating Cash Flow Used To Fund Start Up

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- Definition

Joint Venture Funding Percentage

+ References

No definition available.

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- Definition

Joint Venture Investment

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- Definition

Joint Venture Investment Ownership Percentage

+ References

No definition available.

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- Definition

Related Party Transaction Amount Paid To Related Party

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- Definition

Related Party Transactions Duration Of Agreement

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No definition available.

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- Definition

Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Subparagraph (SX 210.5-02.3(a)(2))

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- Definition

The amount of total capital as defined in the regulations.

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- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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- Definition

Amount of selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party.

+ References

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Related Party Transactions - Additional Information (Detail) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended			6 Months Ended		3 Months Ended	6 Months Ended		0 Months Ended
	Dec. 31, 2009 EUR (€)	Dec. 31, 2014 USD ($)	Jun. 30, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Jun. 30, 2014 Neusoft [Member] USD ($)	Dec. 31, 2014 Neusoft [Member]	Dec. 31, 2014 Neusoft [Member] Innovative Systems GmbH [Member]	Jun. 30, 2014 Neusoft [Member] Software Asset Amortized [Member]
Related Party Transaction [Line Items]
Related party transactions duration of agreement, years								3 years	5 years	4 years
Amount of transactions with related party	€ 6.0
Other current asset, related party			11.9
Total expenses for engineering and software development services		5.9		8.3	12.7	16.0
Expenses paid for engineering and software development services					14.8	22.4
Joint Venture investment amount		10.0har_JointVentureInvestment			10.0har_JointVentureInvestment
Registered capital of Joint Venture		7.0us-gaap_Capital	1.4us-gaap_Capital		7.0us-gaap_Capital
Investment ownership percentage in Joint Venture			60.00%		60.00%		40.00%	40.00%
Joint venture investment funding percentage			20.00%har_JointVentureFundingPercentage
Joint venture capital portion			$ 0.8				$ 0.6