Capital Stock, Stock Awards, and Stock Options (Stock Options Rollforward) (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Jan. 02, 2011
Stock Options Rollforward [Abstract]
Beginning of year, Number of Shares	129,044	87,919	90,569
Granted, Number of Shares	7,500	51,000	22,500
Expired or forfeited, Number of Shares	(10,850)	(9,875)	(25,150)
End of year, Number of Shares	125,694	129,044	87,919
Beginning of year, Average Option Price	$ 494.95	$ 495.05	$ 525.44
Granted, Average Option Price	$ 378.00	$ 499.45	$ 395.68
Expired or forfeited, Average Option Price	$ 605.82	$ 519.04	$ 515.59
End of year, Average Option Price	$ 478.32	$ 494.95	$ 495.05