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CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (unaudited) (Parenthetical)
6 Months Ended
Jul. 02, 2011
CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (unaudited) Parenthetical [Abstract]  
Exercise of stock options (in shares) 293,508
Issuance of common stock 38,520
Withholdings from vesting of restricted stock 56,018