Common Stock (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 30, 2011
Class of Stock [Line Items]
Common Stock, Shares Authorized	1,200,000
Common Stock, Shares, Issued	188,938
Common Class A [Member]
Class of Stock [Line Items]
Common Stock, Shares Authorized	600,000	600,000
Common Stock, Par or Stated Value Per Share	$ 1.00	$ 1.00
Common Stock, Voting Rights	1
Common Class B [Member]
Class of Stock [Line Items]
Common Stock, Shares Authorized	600,000
Common Stock, Par or Stated Value Per Share	$ 1.00
Common Stock, Voting Rights	10