CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Jun. 29, 2013	Dec. 29, 2012
Statement of Financial Position [Abstract]
Accounts receivable, allowance	$ 251,000	$ 311,000
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, authorized	3,000	3,000
Preferred stock, issued	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, authorized	120,000,000	120,000,000
Common stock, issued	77,921,263	75,979,695
Common stock, outstanding	63,418,006	63,835,508
Treasury stock, shares	10,486,138	9,861,139

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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