INVENTORIES (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Mar. 31, 2018
Inventory Disclosure [Abstract]
Raw materials and supplies	$ 22,460	$ 21,855
Work in process	5,364	3,756
Finished goods	26,422	24,561
Total inventories	54,246	50,172
Less: LIFO reserve	(5,511)	(5,511)
Less: Obsolescence reserve	(2,400)	(1,687)
Inventories, net	$ 46,335	$ 42,974

No definition available.

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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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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount by which inventory stated at last-in first-out (LIFO) is less than (in excess of) inventory stated at other inventory cost methods.

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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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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 210.5-02.6(a))
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-Name Accounting Standards Codification
-Topic 330
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-Section 35
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Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.

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Amount of valuation reserve for inventory.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Topic 330
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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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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