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