INVENTORIES (Narrative) (Detail) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Inventory, Net [Abstract]
Other inventory, capitalized costs	$ 27.5	$ 29.7
Other inventory capitalized costs not supported by existing firm orders	$ 12.6	$ 13.0

Amount, before valuation and last-in first out (LIFO) reserves, of costs capitalized in inventory classified as other, expected to be sold, or consumed within one year or operating cycle, if longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.6(a)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_OtherInventoryCapitalizedCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant