ACCUMULATED OTHER COMPREHENSIVE INCOME (Reclassifications Out Of Accumulated Other Comprehensive Income) (Details) $ in Millions	6 Months Ended
	Jun. 30, 2016 USD ($)
Prior service cost
Amortization of pension and other postretirement plan items:
Total net periodic benefit cost, before tax	$ 0.2	[1]
Recognized actuarial loss
Amortization of pension and other postretirement plan items:
Total net periodic benefit cost, before tax	(7.4)	[1]
Accumulated Defined Benefit Plans Adjustment Attributable to Parent
Amortization of pension and other postretirement plan items:
Total net periodic benefit cost, before tax	(7.2)
Total net periodic benefit cost, tax benefit	2.7
Total net periodic benefit cost, net of tax	$ (4.5)

[1] These accumulated other comprehensive income components are included in the computation of net periodic pension cost (See Note 9 Benefit Plans for additional details).