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Accrued Liabilities

12 Months Ended

Dec. 31, 2017

Payables and Accruals [Abstract]

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

8. Accrued Liabilities

Other current liabilities consisted of the following at December 31:   

(in thousands)		2017				2016
Payroll and incentive compensation		$	9,146			$	16,101
Union dues and benefits			12,494				10,261
Profit sharing and thrift plan			443				2,004
Taxes, other than income taxes			6,807				7,639
Other			6,148				6,377
		$	35,038			$	42,382

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- Definition

The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(a),20,24)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Data Type:	nonnum:textBlockItemType
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Period Type:	duration

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- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
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