GOODWILL (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015
Goodwill [Roll Forward]
December 31, 2014	$ 998,506us-gaap_Goodwill
Acquisitions	6,798us-gaap_GoodwillAcquiredDuringPeriod
Goodwill adjustments	1,131
Foreign currency translation adjustment	(22,439)us-gaap_GoodwillTranslationAdjustments
March 31, 2015	983,996us-gaap_Goodwill
Commercial Industrial [Member]
Goodwill [Roll Forward]
December 31, 2014	454,092
Acquisitions	6,798
Goodwill adjustments	0
Foreign currency translation adjustment	(9,167)
March 31, 2015	451,723
Defense [Member]
Goodwill [Roll Forward]
December 31, 2014	356,689
Acquisitions	0
Goodwill adjustments	1,131
Foreign currency translation adjustment	(12,985)
March 31, 2015	344,835
Power [Member]
Goodwill [Roll Forward]
December 31, 2014	187,725
Acquisitions	0
Goodwill adjustments	0
Foreign currency translation adjustment	(287)
March 31, 2015	$ 187,438

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

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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-Paragraph 1

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 25

-Paragraph 16

-URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e961-128460

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Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

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