INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Income Taxes [Line Items]
Liability for uncertain tax positions	$ 40.4		$ 42.2
Liability for uncertain tax positions - current	1.7		1.9
Expected Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations and Settlement	5.1
Reduction relating to interest and penalties uncertain tax positions	(1.3)
Interest and penalties uncertain tax positions recognized	0.5	$ 0.9
Accrued interest and penalties uncertain tax positions	3.2		$ 4.0
Power Solutions [Member]
Income Taxes [Line Items]
Reduction relating to settlement with taxing authorities	(2.6)
Reduction relating to interest and penalties uncertain tax positions	(0.4)
Interest and penalties uncertain tax positions recognized	3.8
Annual accrual for liability for uncertain tax positions	$ 1.9