Note D - Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Jun. 04, 2013 Marlin & Ray's [Member]	Jun. 04, 2013 Wok Hay [Member]	Jun. 04, 2013 Truffles [Member]	Dec. 03, 2013 Restaurants Closed [Member]	Jun. 04, 2013 Restaurants Closed [Member]
Note D - Discontinued Operations (Details) [Line Items]
Number of Restaurants Closed	13	1	2
Disposal Group, Including Discontinued Operation, Property, Plant, and Equipment, Net				$ 0.8	$ 2.8
Assets Held-for-sale, Property, Plant and Equipment				$ 1.3	$ 4.2

Name:	rt_NoteDDiscontinuedOperationsDetailsLineItems
Namespace Prefix:	rt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

This element represents the number of restaurants closed during the period.

+ References

No definition available.

+ Details

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

- Definition

Property, plant and equipment that is held for sale apart from normal operations and anticipated to be sold in less than one year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 45

-Paragraph 10

-URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1107-107759

+ Details

Name:	us-gaap_AssetsHeldForSalePropertyPlantAndEquipment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

For the disposal group, including a component of the entity (discontinued operation), carrying value (net of accumulated depreciation and any write-downs) of tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760

+ Details

Name:	us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant