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COMMITMENTS AND CONTINGENCIES (Details)	6 Months Ended
	Mar. 28, 2015
Commitments and Contingencies Disclosure [Abstract]
Lease Expiration Year	2032

X

- Definition

Lease expiration year.

+ References

No definition available.

+ Details

Name:	arkr_LeaseExpirationYear
Namespace Prefix:	arkr_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration

X

- Details

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