| DERIVATIVE INSTRUMENTS Narrative (Details) $ in Millions | 3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
| Sep. 30, 2016  USD ($)  forward_contract  interest_rate_derivative_held | Sep. 30, 2015  USD ($) | Sep. 30, 2015  USD ($) | Dec. 31, 2015  forward_contract  interest_rate_derivative_held | Dec. 31, 2011  interest_rate_derivative_held | |
| Interest Rate Swap | |||||
| Derivative [Line Items] | |||||
| Number of interest rate swaps held | interest_rate_derivative_held | 0 | 0 | 2 | ||
| Recognized gain | $ 0.1 | $ 0.2 | |||
| Foreign Exchange Forward | |||||
| Derivative [Line Items] | |||||
| Loss on derivative instrument | $ 0.0 | $ 0.3 | |||
| Number of open forward contracts | forward_contract | 0 | 0 | |||
| Interest Rate Swap Agreement 1 | Interest Rate Swap | |||||
| Derivative [Line Items] | |||||
| Fixed interest rate | 1.29% | ||||
| Interest Rate Swap Agreement 2 | Interest Rate Swap | |||||
| Derivative [Line Items] | |||||
| Fixed interest rate | 1.76% | ||||
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- Definition Fixed interest rate related to the interest rate derivative. No definition available. 
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- Definition Amount of increase in the fair value of derivatives recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition Amount of decrease in the fair value of derivatives recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition The number of derivative instruments of a particular group held by the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Number of interest rate derivative instruments held by the entity at the reporting date. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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