INVENTORIES - Components (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Jun. 30, 2018
Inventory Disclosure [Abstract]
Raw materials and supplies	$ 19,745	$ 9,587
Work in process	5,642	2,822
Finished goods	5,802	9,026
Obsolescence reserve	(1,189)	(968)
Total inventories	$ 30,000	$ 20,467

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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