Stock Based Compensation and Stock Options (Details) (USD $)	9 Months Ended			12 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Oct. 02, 2010	Dec. 31, 2011
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
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)	25,500	80,000		80,000
Exercised (in shares)	(4,500)			(54,500)
Outstanding at end of period (in shares)	21,000			25,500
Weighted - Average Exercise Price [Roll Forward]
Outstanding at beginning of period (in dollars per share)	$ 13.580	$ 12.471		$ 12.471
Exercised (in dollars per share)	$ 13.580			$ 11.952
Outstanding at end of period (in dollars per share)	$ 13.580			$ 13.580
Options Outstanding and Exercisable [Abstract]
Outstanding as of September 29, 2012	21,000
Weighted - Average Remaining Contractual Life			2 years 2 months 12 days
Weighted- Average Exercise Price (in dollars per share)	$ 13.58
Options outstanding and exercisable, intrinsic value	$ 108,360
Total intrinsic value of stock options exercised	12,150
Recognized tax benefits from the disqualification of incentive stock options	$ 0	$ 98,034
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)	0	0
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