Stock Based Compensation and Stock Options (Details) (USD $)	9 Months Ended	12 Months Ended
	Sep. 28, 2013 Plan	Dec. 29, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of plans that have shares reserved for further issuance	2
Percentage of fair market value of stock on grant date for exercise price, minimum (in hundredths)	100.00%
Options granted (in shares)	0
Shares of common stock reserved under all option plans for future issuance (in shares)	520,000
Stock Option Activity [Roll Forward]
Outstanding at beginning of period (in shares)	21,000	25,500
Exercised (in shares)	(1,000)	(4,500)
Outstanding at end of period (in shares)	20,000	21,000
Weighted - Average Exercise Price [Roll Forward]
Outstanding at beginning of period (in dollars per share)	$ 13.580	$ 13.580
Exercised (in dollars per share)	$ 13.580	$ 13.580
Outstanding at end of period (in dollars per share)	$ 13.580	$ 13.580
Options Outstanding and Exercisable [Abstract]
Range of Exercise Price (in dollars per share)	$ 13.58
Outstanding as of September 28, 2013 (in shares)	20,000
Weighted - Average Remaining Contractual Life	1 year 2 months 12 days
Weighted- Average Exercise Price (in dollars per share)	$ 13.580
Options outstanding and exercisable, intrinsic value	$ 41,600
Total intrinsic value of stock options exercised	$ 1,590
1995 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for future grant (in shares)	0
2010 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for future grant (in shares)	500,000
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)	0