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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) | Jun. 29, 2013 | Dec. 29, 2012
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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

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