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Contingencies (Summary Of Cumulative Trauma Product Liability Claims Activity) (Details)
9 Months Ended12 Months Ended
Sep. 30, 2011
Dec. 31, 2010
Contingencies [Abstract]  
Open claims, beginning of period1,9002,480
New claims208260
Settled and dismissed claims(108)(840)
Open claims, end of period2,0001,900