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RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Related Party Transactions [Line Items] |  |  |  |
Inventory purchase payment from joint venture | $ 0.0 | $ 0.3 | $ 0.0 | $ 1.5
Joint venture liability | $ 0.5 |  | $ 0.5 |
Power Solutions [Member] |  |  |  |
Related Party Transactions [Line Items] |  |  |  |
Minority interest ownership percentage | 49.00% |  | 49.00% |

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