v3.7.0.1
Contingencies (Tables)
 6 Months Ended
Jun. 30, 2017
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Changes in Claims

The following table sets forth the number of claims filed, the number of claims settled, dismissed or otherwise resolved, and the aggregate settlement amount during the periods presented:

Year ended
December 31,		 Opening Number of Claims Claims Dismissed,Settled, or Resolved New Claims Closing Number of Claims Amounts Paid (thousands) to Settle or Resolve
2012           4,446              90              107           4,463  $530
2013           4,463             230               66           4,299               78
2014           4,299             625              147           3,821              437
2015           3,821             116               86           3,791              164
2016           3,791             148              102           3,745              758
2017 (as of June 30)           3,745              39               31           3,737  $10