Income Taxes Tax Jurisdictions (Details)			6 Months Ended
	Jul. 18, 2012	Feb. 21, 2012	Jun. 24, 2012 MEXICO	Jun. 24, 2012 Internal Revenue Service (IRS) [Member]
Income Tax Uncertainties [Abstract]
Earliest Open Tax Year				2009
Income Tax Examinations, Years under Examination			2004 and 2007
Income Tax Examination, Expected to Complete Within Year			2004
Tax Authority Disclosure Notice for 2004 Audit, Date Recieved		Feb. 21, 2012
Observations Letter of the 2007 Tax Audit, Date Received	Jul. 18, 2012