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Commitments and Contingencies (Details) $ in Millions	Sep. 30, 2015 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Performance bond outstanding	$ 30.5

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- Definition

Performance Bond Outstanding

+ References

No definition available.

+ Details

Name:	avhi_PerformanceBondOutstanding
Namespace Prefix:	avhi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- References

No definition available.

+ Details

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