XML 55 R45.htm IDEA: XBRL DOCUMENT v3.19.1
INVENTORIES (Narrative) (Detail) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Inventory, Net [Abstract]    
Other inventory, capitalized costs $ 45.0 $ 44.4
Other inventory, capitalized costs to be liquidated under firm orders $ 34.3 $ 18.7