PROPERTY, PLANT & EQUIPMENT (Details) - USD ($) $ in Thousands	3 Months Ended	7 Months Ended
Mar. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property, plant and equipment - gross	$ 293,335	$ 293,335	$ 293,928
Less accumulated depreciation	208,383	208,383	203,036
Net property, plant and equipment	84,952	84,952	90,892
Expected accelerated depreciation expense to be recognized through mid-2019	7,900	7,900
Accelerated depreciation expense	2,000	5,300
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment - gross	3,552	3,552	3,575
Buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment - gross	106,405	106,405	106,238
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment - gross	181,134	181,134	181,825
Property under construction
Property, Plant and Equipment [Line Items]
Property, plant and equipment - gross	$ 2,244	$ 2,244	$ 2,290

Property, Plant And Equipment, Accelerated Deprecation Expense

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Property, Plant And Equipment, Expected Accelerated Depreciation Expense

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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