Contingencies (Tables)

9 Months Ended

Sep. 30, 2020

Commitments and Contingencies Disclosure [Abstract]

Schedule of Loss Contingencies by Contingency [Table Text Block]

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
2015	3,821	116	86	3,791	$	164
2016	3,791	148	102	3,745	758
2017	3,745	105	90	3,730	55
2018	3,730	152	106	3,684	100
2019	3,684	51	75	3,708	25
2020 (As of September 30)	3,708	133	41	3,616	$	57