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DERIVATIVES - Additional Information (Details) - Designated as Hedging Instrument - Cash Flow Hedging - Foreign currency contracts
$ in Millions
Sep. 30, 2017
USD ($)
Sep. 30, 2017
CAD
Dec. 31, 2016
USD ($)
Other current liabilities      
Derivative [Line Items]      
Fair value of derivatives | $ $ 0.0   $ 0.2
June 2017      
Derivative [Line Items]      
Notional amount of cash flow hedge instruments | CAD   CAD 12,000,000.0  
Foreign currency contracts exchange rate 1.2855 1.2855