Note 2 - Franchise Programs - Restaurants Opened By Traditional Franchisees Pursuant to Development Agreements (Details) - Ruby Tuesday [Member]	12 Months Ended
Jun. 06, 2017	May 31, 2016	Jun. 02, 2015
Number of Restaurants	2	5	6
Domestic [Member]
Number of Restaurants	1
International [Member]
Number of Restaurants	1	5	6

This element represents the number of restaurants opened by traditional franchisees pursuant to development agreements.

No definition available.

Name:	rt_NumberOfRestaurantsOpenedByTraditionalFranchiseesPursuantToDevelopmentAgreements
Namespace Prefix:	rt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration