Basis of Presentation (Details Textual)	3 Months Ended
Mar. 26, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Acquisition date	Dec. 28, 2011

Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

No definition available.

Name:	us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration