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INCOME TAXES (Details) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Dec. 31, 2015
Income Tax Contingency [Line Items] |  |  |
Liability for uncertain tax positions | $ 27.7 |  | $ 42.2
Liability for uncertain tax positions - current | 2.3 |  | 1.9
Liability for uncertain positions expected to be resolved in next fiscal year | 2.3 |  |
Reduction relating to interest and penalties uncertain tax positions | (11.1) |  |
Interest and penalties uncertain tax positions recognized | 0.8 | $ 2.1 |
Benefit on reversal of interest and penalties | (3.1) | $ 0.0 |
Accrued interest and penalties uncertain tax positions | 1.7 |  | $ 4.0
Power Solutions [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Reduction relating to settlement with taxing authorities | (13.9) |  |
Reduction relating to interest and penalties uncertain tax positions | (2.6) |  |
Interest and penalties uncertain tax positions recognized | 4.1 |  |
Annual accrual for liability for uncertain tax positions | $ 0.7 |  |

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