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CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (unaudited) (Parenthetical)
9 Months Ended
Sep. 29, 2012
Statement of Stockholders' Equity [Abstract]  
Exercise of stock options (in shares) 166,600
Issuance of common stock (in shares) 21,708
Withholdings from vesting of restricted stock 60,542