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Contingencies (Tables)
 12 Months Ended
Dec. 31, 2017
Contingencies  
Asbestos filings and the claims pending at the end of each listed year

 

 

 

 

 

 

 

 

 

    

2017

    

2016

    

2015

 

Pending at beginning of year

 

1,400

 

2,080

 

2,260

 

Disposed

 

1,320

 

1,750

 

1,460

 

Filed

 

1,250

 

1,070

 

1,280

 

Pending at end of year

 

1,330

 

1,400

 

2,080