The Company and Basis of Presentation (Details)	Mar. 31, 2015 theatre screen state	Mar. 27, 2014 screen state theatre
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of screens	445rgc_NumberOfScreensInOperation	457rgc_NumberOfScreensInOperation
Number of theatres	49rgc_NumberOfTheatresInOperation	51rgc_NumberOfTheatresInOperation
Number of states in which the entity operates	17	17

The number of states the entity operates in as of the balance sheet date.

No definition available.

Name:	us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant