INVENTORIES - ADDITIONAL INFORMATION (Details) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Inventory Disclosure [Abstract]
LIFO inventory amount	$ 12.7	$ 12.4
Inventory, LIFO reserve	8.8	10.6
Inventory valuation reserve	$ 75.1	$ 71.7

Amount of valuation reserve for inventory.

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