Basis of Presentation (Details Textual)	9 Months Ended
Sep. 25, 2012
Basis of Presentation (Textual) [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