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Changes In Shareholders' Equity (Tables)
 6 Months Ended
Jun. 26, 2011
Changes In Shareholders' Equity  
Reconciliation Of Basic To Diluted Weighted Average Common Shares Outstanding
     Three Months Ended      Six Months Ended  
     June 26,
2011		      June 27,
2010		      June 26,
2011		      June 27,
2010		  
     (Shares in thousands)  

Basic

      40,536         39,913         40,297         39,852   

Dilutive shares assumed issued

      336         443         351         425   
                                   

Diluted

      40,872         40,356         40,648         40,277