GOODWILL (Detail) $ in Thousands	9 Months Ended
Sep. 30, 2017 USD ($)
Goodwill [Roll Forward]
December 31, 2016	$ 951,057
Goodwill, Acquired During Period	115,877
Goodwill, Written off Related to Sale of Business Unit	(1,816)
Foreign currency translation adjustment	24,663
September 30, 2017	1,089,781
Commercial Industrial [Member]
Goodwill [Roll Forward]
December 31, 2016	436,141
Goodwill, Acquired During Period	2,608
Goodwill, Written off Related to Sale of Business Unit	(1,168)
Foreign currency translation adjustment	9,963
September 30, 2017	447,544
Defense [Member]
Goodwill [Roll Forward]
December 31, 2016	327,655
Goodwill, Acquired During Period	113,269
Goodwill, Written off Related to Sale of Business Unit	(648)
Foreign currency translation adjustment	14,469
September 30, 2017	454,745
Power [Member]
Goodwill [Roll Forward]
December 31, 2016	187,261
Foreign currency translation adjustment	231
September 30, 2017	$ 187,492

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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