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

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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.

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No definition available.

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

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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ACQUISITIONS Narrative (Details) $ in Thousands			9 Months Ended
ACQUISITIONS Narrative (Details) $ in Thousands	Mar. 15, 2019	Apr. 02, 2018	Sep. 30, 2019 USD ($) NumberAcquisitions	Sep. 30, 2018 USD ($) NumberAcquisitions
Business Acquisition [Line Items]
Number of Businesses Acquired \| NumberAcquisitions			1	1
Payments to Acquire Businesses, Gross			$ 50,075	$ 210,167
Revenue of Acquiree since Acquisition Date, Actual			8,000	41,000
Earnings or Loss of Acquiree since Acquisition Date, Actual			0	(2,000)
2019 acquisitions [Member]
Business Acquisition [Line Items]
Purchase Price, Net of Cash Acquired			50,075
2018 acquisitions [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross				210,167
Power [Member] \| Dresser-Rand Government Business (DRG) [Member]
Business Acquisition [Line Items]
Effective Date of Acquisition		Apr. 02, 2018
Payments to Acquire Businesses, Gross				$ 210,200
Defense [Member] \| Tactical Communications Group (TCG) [Member]
Business Acquisition [Line Items]
Effective Date of Acquisition	Mar. 15, 2019
Purchase Price, Net of Cash Acquired			$ 50,100