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Accrued Liabilities

12 Months Ended

Dec. 31, 2016

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)		2016				2015
Payroll and incentive compensation		$	16,101			$	10,499
Union dues and benefits			10,261				8,182
Profit sharing and thrift plan			2,004				1,294
Taxes, other than income taxes			7,639				3,578
Other			6,377				5,303
		$	42,382			$	28,856

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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

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