ACCOUNTING POLICIES (Details 1) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Component of Operating Income [Abstract]
Gains (losses) on disposition of property, plant and equipment	$ (0.7)	$ (0.6)	$ 0.2
Gain on insurance recoveries	11.0	46.0	0.0
Gain on resolution of a contract matter	0.0	0.0	1.0
Misc Other Operating Income	0.3	0.3	0.3
Other operating income	$ 10.6	$ 45.7	$ 1.5