INTANGIBLE ASSETS - Schedule of Intangible Assets (Detail) - USD ($) $ in Thousands	6 Months Ended
Sep. 30, 2017	Mar. 31, 2017
Intangible Assets [Line Items]
Gross Amount	$ 98,629	$ 97,365
Accumulated Amortization	(33,553)	(28,876)
Trade names and trademarks not being amortized
Intangible Assets [Line Items]
Gross Amount	$ 22,163	22,121
Patents
Intangible Assets [Line Items]
Wtd Avg Life (Years)	12 years
Gross Amount	$ 9,635	9,576
Accumulated Amortization	$ (5,236)	(4,779)
Customer lists and amortized trademarks
Intangible Assets [Line Items]
Wtd Avg Life (Years)	12 years
Gross Amount	$ 81,889	81,121
Accumulated Amortization	$ (26,377)	(22,935)
Non-compete agreements
Intangible Assets [Line Items]
Wtd Avg Life (Years)	5 years
Gross Amount	$ 2,087	1,819
Accumulated Amortization	$ (769)	(334)
Other
Intangible Assets [Line Items]
Wtd Avg Life (Years)	12 years
Gross Amount	$ 5,018	4,849
Accumulated Amortization	$ (1,171)	$ (828)

Finite Lived Intangible Asset Weighted Average Useful Life

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Information by type or class of assets having a projected finite and indefinite period of benefit.

+ References

No definition available.

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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- Definition

Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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