DISPOSITION (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reconciliation of Pretax Profit (Loss) of Discontinued Operations to After-Tax Profit or Loss of Discontinued Operations [Abstract]
Net loss from discontinued operations	$ (24.7)	$ (51.5)	$ (5.5)
NATG [Member]
Reconciliation of Pretax Profit (Loss) of Discontinued Operations to After-Tax Profit or Loss of Discontinued Operations [Abstract]
Net sales	11.8	1,053.4	1,338.6
Cost of sales	13.1	997.1	1,222.6
Gross profit (loss)	(1.3)	56.3	116.0
Selling, general & administrative expenses	14.0	109.9	119.7
Special charges	9.5	1.6	8.5
Operating loss from discontinued operations	(24.8)	(55.2)	(12.2)
Foreign currency exchange (gain) loss	0.2	(0.5)	0.1
Interest and other income, net	(0.3)	0.1	0.2
Loss from discontinued operations before income taxes	(24.7)	(54.8)	(12.5)
Benefit for income tax	0.0	(3.3)	(7.0)
Net loss from discontinued operations	$ (24.7)	$ (51.5)	$ (5.5)