Stock Based Compensation and Stock Options (Details) (USD $)	3 Months Ended		12 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	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
Shares of common stock reserved under all option plans for future issuance (in shares)	521,000
Options Outstanding and Exercisable [Abstract]
Range of Exercise Price (in dollars per share)	$ 13.58
Outstanding as of March 30, 2013 (in shares)	21,000
Weighted - Average Remaining Contractual Life	1 year 8 months 12 days
Weighted- Average Exercise Price (in dollars per share)	$ 13.580
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	0
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of fair market value of stock on grant date for exercise price, minimum (in hundredths)	100.00%
Options granted (in shares)	0	0
Stock Option Activity [Roll Forward]
Outstanding at beginning of period (in shares)	21,000	25,500	25,500
Exercised (in shares)	0		(4,500)
Outstanding at end of period (in shares)	21,000		21,000
Weighted - Average Exercise Price [Roll Forward]
Outstanding at beginning of period (in dollars per share)	$ 13.580	$ 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]
Options outstanding and exercisable, intrinsic value	$ 83,160