Stock Based Compensation and Stock Options (Details) (USD $)	9 Months Ended	12 Months Ended			9 Months Ended
	Sep. 27, 2014 Plan	Dec. 28, 2013	Sep. 27, 2014 1995 Plan [Member]	Sep. 27, 2014 2010 Plan [Member]	Sep. 27, 2014 Restricted Stock [Member]	Sep. 28, 2013 Restricted Stock [Member]
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
Restricted stock granted (in shares)					0	0
Shares available for future grant (in shares)			0	500,000
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)	20,000	21,000
Exercised (in shares)	0	(1,000)
Outstanding at end of period (in shares)	20,000	20,000
Weighted - Average Exercise Price [Roll Forward]
Outstanding at beginning of period (in dollars per share)	$ 13.580	$ 13.580
Exercised (in dollars per share)	$ 0	$ 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 27, 2014 (in shares)	20,000
Weighted - Average Remaining Contractual Life	0 years 2 months 12 days
Weighted- Average Exercise Price (in dollars per share)	$ 13.580
Options outstanding and exercisable, intrinsic value	$ 38,000