SUPPLEMENTAL BALANCE SHEET AND CASH FLOW INFORMATION (property, plant and equipment) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property, plant and equipment [Line Items]
Gross carrying amount	$ 464,583	$ 449,587
Accumulated depreciation	(338,617)	(360,907)
Net carrying amount	125,966	88,680
Machinery and equipment [Member]
Property, plant and equipment [Line Items]
Gross carrying amount	333,383	340,032
Accumulated depreciation	(276,914)	(287,384)
Net carrying amount	56,469	52,648
Buildings and improvements [Member]
Property, plant and equipment [Line Items]
Gross carrying amount	118,219	89,875
Accumulated depreciation	(58,202)	(68,510)
Net carrying amount	60,017	21,365
Land and improvements [Member]
Property, plant and equipment [Line Items]
Gross carrying amount	12,981	19,680
Accumulated depreciation	(3,501)	(5,013)
Net carrying amount	$ 9,480	$ 14,667

Amount, before accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

Name:	us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant