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Note 5 - Goodwill and Intangible Assets, Net - Other Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Mar. 31, 2021
Carrying Amount	$ 342,255	$ 176,866
Accumulated Amortization	(77,589)	(65,125)
Net	264,666	111,741
Intellectual Property [Member]
Carrying Amount	66,984	21,201
Accumulated Amortization	(10,662)	(8,595)
Net	56,322	12,606
Trade Names [Member]
Carrying Amount	24,360	8,612
Accumulated Amortization	(3,333)	(3,129)
Net	21,027	5,483
Customer Relationships [Member]
Carrying Amount	249,612	145,754
Accumulated Amortization	(62,369)	(52,206)
Net	187,243	93,548
Noncompete Agreements [Member]
Carrying Amount	1,299	1,299
Accumulated Amortization	(1,225)	(1,195)
Net	$ 74	$ 104

X

- 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/disclosureRef
-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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
-SubTopic 20
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959

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