Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 29, 2012	Dec. 30, 2011
Condensed Consolidated Balance Sheets [Abstract]
Allowance for accounts receivable	$ 2,815	$ 2,900
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	20,904,061	20,840,590
Common stock, shares outstanding	20,904,061	20,840,590