POST RETIREMENT PLANS (Schedule Of Net Periodic Defined Benefit Pension Cost) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Apr. 01, 2017
Pension and Other Postretirement Benefits Cost (Reversal of Cost) [Abstract]
Service Cost	$ 1.8	$ 1.8
Interest Cost	2.4	2.4
Expected Return on Plan Assets	(3.0)	(2.8)
Amortization of Prior Service Cost and Net Actuarial Loss	1.0	0.6
Net Periodic Benefit Cost	$ 2.2	$ 2.0