Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data	Oct. 01, 2011	Dec. 31, 2010
Stockholders' equity:
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, authorized	60	60
Preferred stock, issued	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, authorized	150,000	150,000
Common stock, shares issued	79,793	79,666
Treasury stock, shares	11,035	11,037

Face amount or stated value of common stock per share; generally not indicative of the fair market value per share.

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