GOODWILL (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Goodwill [Line Items]
Goodwill	$ 1,166,680	$ 1,088,032
Acquisitions	285,200	71,644
Goodwill, Impairment Loss	(9,598)
Adjustments	(1,385)	(208)
Foreign Currency Translation Adjustments	14,240	7,212
Goodwill	1,455,137	1,166,680
Industrial Valve Business
Goodwill [Line Items]
Goodwill, Impairment Loss	(9,600)
Commercial/Industrial
Goodwill [Line Items]
Goodwill	431,082	428,983
Acquisitions	28,467
Goodwill, Impairment Loss	(9,598)
Foreign Currency Translation Adjustments	6,701	2,099
Goodwill	456,652	431,082
Defense
Goodwill [Line Items]
Goodwill	526,955	451,115
Acquisitions	256,733	71,644
Adjustments	(1,385)	208
Foreign Currency Translation Adjustments	7,275	4,404
Goodwill	789,578	526,955
Power
Goodwill [Line Items]
Goodwill	208,643	207,934
Foreign Currency Translation Adjustments	264	709
Goodwill	$ 208,907	$ 208,643

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.

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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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