CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Sep. 29, 2012	Dec. 31, 2011	Oct. 01, 2011
CONDENSED CONSOLIDATED BALANCE SHEETS
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Common stock, authorized shares	40,000,000	40,000,000	40,000,000
Common stock, issued shares	16,582,789	16,542,900	16,536,233
Treasury stock, shares	3,682,199	3,682,199	3,682,199