FINANCIAL INSTRUMENTS AND DERIVATIVES - NET INVESTMENT HEDGES (Details) $ in Millions	Sep. 30, 2020 USD ($)
Net Investment Hedging | Designated as Hedging Instrument
Derivative [Line Items]
Derivative, notional amount	$ 308.6
Aggregate Notional Amount Maturing within 12 Months	308.6
Net Investment Hedging | Designated as Hedging Instrument | Cross currency basis swaps
Derivative [Line Items]
Derivative, notional amount	308.6
Aggregate Notional Amount Maturing within 12 Months	308.6
Fair Value Hedging
Derivative [Line Items]
Derivative, notional amount	98.3
Aggregate Notional Amount Maturing within 12 Months	70.2
Fair Value Hedging | Foreign exchange forward contracts
Derivative [Line Items]
Derivative, notional amount	98.3
Aggregate Notional Amount Maturing within 12 Months	$ 70.2