LITIGATION: (Details)	Dec. 31, 2011 defendant
LITIGATION:
Number of current and former directors and officers who are named defendants	9

Represents the number of current and former directors and officers which are named defendants.

No definition available.

Name:	rgs_CurrentFormerDirectorsAndOfficersNamedDefendantsNumber
Namespace Prefix:	rgs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant