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ACQUISITIONS (Narrative) (Detail) $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Feb. 08, 2017 | Jan. 03, 2017 | Dec. 31, 2017 USD ($) NumberAcquisitions | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Business Acquisition [Line Items] |  |  |  |  |
Number of Businesses Acquired | NumberAcquisitions |  |  | 2 |  |
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual |  |  | $ 71,000 |  |
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual |  |  | 5,000 |  |
Acquisition of businesses, net of cash acquired |  |  | (232,630) | $ (295) | $ (13,228)
2017 acquisitions [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payments to acquire business |  |  | 232,630 |  |
Teletronics Technology Corporation (TTC) [Member] | Defense |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Effective date of acquisition |  | Jan. 03, 2017 |  |  |
Payments to acquire business |  |  | 226,000 |  |
Business Acquisition, Revenue Reported by Acquired Entity for Last Annual Period |  |  | 64,000 |  |
Para Tech Coating, Inc (Para Tech) [Member] | Commercial/Industrial |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Effective date of acquisition | Feb. 08, 2017 |  |  |  |
Acquisition of businesses, net of cash acquired |  |  | $ (6,600) |  |

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