COMMITMENTS AND CONTINGENCIES Rollforward of Environmental Liability and Related Assets (Detail) - Liability [Member] - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019
Loss Contingency Accrual [Roll Forward]
Environmental liability - Beginning balance	$ 61.9	$ 66.8
Net Cash Activity	(2.9)	(4.4)
Foreign exchange translation	0.0	(0.2)
Environmental liability - Ending balance	58.6	62.4
Discontinued Operations [Member]
Loss Contingency Accrual [Roll Forward]
Changes In Pre-Existing Environmental Accruals	(1.6)	0.0
Continuing Operations [Member]
Loss Contingency Accrual [Roll Forward]
Changes In Pre-Existing Environmental Accruals	$ 1.2	$ 0.2

Total costs accrued as of the balance sheet date for environmental loss contingencies.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 25
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859

Name:	us-gaap_AccrualForEnvironmentalLossContingencies
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant