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Note I - Closure and Impairments Expense (Details) - Future Liabilites Associated with Closed Properties (USD $)
In Thousands, unless otherwise specified
 9 Months Ended
Mar. 03, 2015
Jun. 03, 2014
Future Liabilites Associated with Closed Properties [Abstract]    
Balance $ 7,834rt_OperatingLeaseObligation $ 10,873rt_OperatingLeaseObligation
Closing expense including rent and other lease charges 1,141rt_ClosedRestaurantLeaseReserves  
Payments (3,682)rt_PaymentsClosedPropertyLeaseObligation  
Other $ (498)rt_OperatingLeaseObligationOtherAdjustments