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Commitments and Contingencies (Narrative) (Details) (USD $)
In Millions, except Share data
6 Months Ended
Jul. 02, 2011
Commitments and Contingencies  
Payment to the Company by insurance carriers for individual defendants $ 8.7
Issuance of shares to plaintiff's counsel for payment of counsel's fees and expenses $ 7.8
Stock option granted to plaintiff's counsel to acquire shares 32,000