DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITES (Schedule of fair value of derivative instruments) (Details) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	$ 0.5	$ 0.2
Derivative liability, fair value	1.1	0.2
Derivatives not designated as hedges:
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	0.5	0.2
Derivative liability, fair value	1.1	0.2
Foreign exchange forward contracts \| Derivatives not designated as hedges: \| Prepaid expenses and other
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	0.5	0.2
Foreign exchange forward contracts \| Derivatives not designated as hedges: \| Accounts payable
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	$ 1.1	$ 0.2

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 4D
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=109247956&loc=SL51823488-111719

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (a),(c)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959

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Balance Type:	debit
Period Type:	instant