CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS (Parentheticals) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011
Revenues related to VIEs	$ 5,873	$ 5,895	$ 17,087	$ 16,595
Costs and expenses related to VIEs	$ 5,085	$ 4,665	$ 13,621	$ 13,188

Total costs of sales and operating expenses for the period related to VIEs.

No definition available.

Name:	arkr_CostsAndExpensesRelatedToVIEs
Namespace Prefix:	arkr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration