Equity-Based Compensation (Details 2) (USD $)	9 Months Ended
	Sep. 30, 2012	Oct. 02, 2011
Summary of the status of stock options
Outstanding, Options at beginning of year	728,050	1,093,063
Outstanding, Weighted-Average Exercise Price at beginning of year	$ 10.24	$ 12.61
Exercised, Options	(195,300)	(59,263)
Exercised, Weighted-Average Exercise Price	$ 8.50	$ 7.91
Expired, Options	(24,100)	(296,750)
Expired, Weighted-Average Exercise Price	$ 11.59	$ 19.27
Forfeited, Options	(68,150)
Forfeited, Weighted-Average Exercise Price	$ 10.87
Outstanding, Options at end of period	440,500	737,050
Outstanding, Weighted-Average Exercise Price at end of period	$ 10.86	$ 10.30
Exercisable, Options at end of period	440,500	737,050
Exercisable, Weighted-Average Exercise Price at end of period	$ 10.86	$ 10.30