Other Non-Current Liabilities (Tables)

12 Months Ended

Dec. 31, 2018

Other Liabilities Noncurrent [Abstract]

Schedule of Other Assets and Other Liabilities [Table Text Block]

	2018		2017
Restricted insurance settlement	$	20,278	$	21,171
Non-current income taxes payable		7,644		15,825
Uncertain tax positions (includes interest and penalties)		8,097		7,970
Deferred and other long-term compensation		6,886		5,905
Other		624		625
Total other non-current liabilities	$	43,529	$	51,496