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MANUFACTURING FACILITY CLOSURES, RESTRUCTURING AND OTHER RELATED CHARGES (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Schedule Of Restructuring And Related Costs [Line Items]      
Manufacturing facility closures, restructuring and other related charges $ 1,359 $ 2,408 $ 3,666
Restructurings in 2017, 2016 and 2015      
Schedule Of Restructuring And Related Costs [Line Items]      
Impairment of property, plant and equipment 289 3,018 987
Impairment of intangibles 0 379 0
Equipment relocation 147 711 190
Revaluation and impairment of inventories 163 1,420 3,724
Termination benefits and other labor related costs 2 1,765 1,382
Restoration and idle facility costs 308 3,787 1,683
Insurance proceeds 0 (9,793) (5,000)
Professional fees 87 942 273
Other costs 363 179 427
Manufacturing facility closures, restructuring and other related charges $ 1,359 $ 2,408 $ 3,666