ACQUISITIONS (Narrative) (Detail) $ in Thousands		3 Months Ended
Mar. 15, 2019	Mar. 31, 2019 USD ($) NumberAcquisitions	Mar. 31, 2018 USD ($) NumberAcquisitions
Business Acquisition [Line Items]
Number of business acquired (in number of acquisitions) \| NumberAcquisitions		1	0
Aggregate purchase price		$ 49,037	$ 0
Defense [Member] \| Tactical Communications Group (TCG) [Member]
Business Acquisition [Line Items]
Aggregate purchase price		$ 49,037
Acquisition date	Mar. 15, 2019

Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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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

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
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