CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Jun. 30, 2012	Dec. 31, 2011	Jul. 02, 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	16,564,123	16,542,900	16,513,910
Treasury stock, shares	3,682,199	3,682,199	3,682,199