Disposal Group, Not Discontinued Operation, Change In Amount Of Contingent Consideration, Expense

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- Definition

Disposal Group, Not Discontinued Operation, Contingent Consideration

+ References

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- Definition

Disposal Group, Not Discontinued Operation, Contingent Consideration, Measurement Period

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- Definition

Payments Of Contingent Consideration

+ References

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 35
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=116859824&loc=d3e6819-128478

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
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-Section 25
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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.

+ References

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- Definition

Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

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- Definition

The number of businesses acquired by the entity during the period.

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FAIR VALUE MEASUREMENTS - Narrative (Details)		1 Months Ended		12 Months Ended		36 Months Ended
FAIR VALUE MEASUREMENTS - Narrative (Details)	Sep. 14, 2018 USD ($)	Feb. 28, 2021 USD ($)	Sep. 30, 2018 USD ($)	Mar. 31, 2020 USD ($) company	Mar. 31, 2019 USD ($)	Mar. 30, 2020 company	Feb. 05, 2020 USD ($)	Apr. 03, 2019 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of companies acquired \| company				2		3
Fair value of contingent liability				$ 1,748,000
Change in fair value of contingent consideration					$ (1,495,000)
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of contingent liability				1,748,000
Gigavation
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of contingent liability				700,000			$ 800,000
Gigavation \| Scenario, Forecast
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Payments of contingent consideration		$ 700,000
Eastwind
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of contingent liability				1,000,000.0				$ 1,000,000
Fair value, measurements, recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liability adjustment included in earnings					102,000
Change in fair value of contingent consideration				(762,000)
Fair value, measurements, recurring \| Contingent consideration
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liability adjustment included in earnings					102,000
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Handheld Network Test Tools Business
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration related to the divestiture	$ 2,300,000		$ 2,300,000		800,000
Contingent consideration measurement period	2 years		2 years
Change in fair value of contingent consideration				800,000	1,600,000
Change in fair value of contingent consideration				$ 36,000	$ 119,000
Maximum \| Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Handheld Network Test Tools Business
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration related to the divestiture	$ 4,000,000.0		$ 4,000,000.0