Capital Stock, Stock Awards, and Stock Options (Options Outstanding and Exercisable) (Details 3) (USD $)	12 Months Ended
	Dec. 31, 2012 year	Dec. 31, 2011	Jan. 02, 2011	Jan. 03, 2010
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Shares Outstanding	125,694	129,044	87,919	90,569
Options Outstanding, Weighted Average Remaining Contractual Life	7.2
Options Outstanding, Weighted Average Exercise Price	$ 478.32	$ 494.95	$ 495.05	$ 525.44
Options Exercisable, Shares Exercisable	64,021
Options Exercisable, Weighted Average Remaining Contractual Life	6.3
Options Exercisable, Weighted Average Exercise Price	$ 495.72
Exercise Price Range of $343-$396 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Shares Outstanding	41,000
Options Outstanding, Weighted Average Remaining Contractual Life	7.7
Options Outstanding, Weighted Average Exercise Price	$ 383.78
Options Exercisable, Shares Exercisable	22,250
Options Exercisable, Weighted Average Remaining Contractual Life	6.9
Options Exercisable, Weighted Average Exercise Price	$ 381.54
Exercise Price Range of $419-$439 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Shares Outstanding	21,694
Options Outstanding, Weighted Average Remaining Contractual Life	6.5
Options Outstanding, Weighted Average Exercise Price	$ 422.67
Options Exercisable, Shares Exercisable	16,271
Options Exercisable, Weighted Average Remaining Contractual Life	6.5
Options Exercisable, Weighted Average Exercise Price	$ 422.67
Exercise Price $503 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Shares Outstanding	50,000
Options Outstanding, Weighted Average Remaining Contractual Life	8.2
Options Outstanding, Weighted Average Exercise Price	$ 502.58
Options Exercisable, Shares Exercisable	12,500
Options Exercisable, Weighted Average Remaining Contractual Life	8.2
Options Exercisable, Weighted Average Exercise Price	$ 502.58
Exercise Price $652 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Shares Outstanding	2,000
Options Outstanding, Weighted Average Remaining Contractual Life	5.4
Options Outstanding, Weighted Average Exercise Price	$ 651.91
Options Exercisable, Shares Exercisable	2,000
Options Exercisable, Weighted Average Remaining Contractual Life	5.4
Options Exercisable, Weighted Average Exercise Price	$ 651.91
Exercise Price Range of $729-$763 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Shares Outstanding	7,000
Options Outstanding, Weighted Average Remaining Contractual Life	3.9
Options Outstanding, Weighted Average Exercise Price	$ 729.67
Options Exercisable, Shares Exercisable	7,000
Options Exercisable, Weighted Average Remaining Contractual Life	3.9
Options Exercisable, Weighted Average Exercise Price	$ 729.67
Exercise Price $816 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Shares Outstanding	1,000
Options Outstanding, Weighted Average Remaining Contractual Life	0.9
Options Outstanding, Weighted Average Exercise Price	$ 816.05
Options Exercisable, Shares Exercisable	1,000
Options Exercisable, Weighted Average Remaining Contractual Life	0.9
Options Exercisable, Weighted Average Exercise Price	$ 816.05
Exercise Price $954 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Shares Outstanding	3,000
Options Outstanding, Weighted Average Remaining Contractual Life	2.0
Options Outstanding, Weighted Average Exercise Price	$ 953.50
Options Exercisable, Shares Exercisable	3,000
Options Exercisable, Weighted Average Remaining Contractual Life	2.0
Options Exercisable, Weighted Average Exercise Price	$ 953.50