Pension And Other Benefit Programs (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Long-term return forecast	6.75%	7.00%
Accumulated benefit obligation	$ 1,518.0	$ 1,896.8
Amortization of unrecognized net actuarial gains (losses) in 2017	(18.1)
Estimated future employer contributions in 2017	$ 3.9
Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Long-term return forecast	4.20%	4.50%
Accumulated benefit obligation	$ 211.7	$ 226.1
Settlement charges excluded from net periodic pension costs		0.5
Estimated future employer contributions in 2017	2.7
Amortization of unrecognized net actuarial losses in 2017	$ 1.3
U.S. Defined-Benefit Retiree Health And Life Insurance Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Average rate of annual increase in the per capita costs, pre-65	7.20%
Ultimate rate	4.50%
Amortization of unrecognized net actuarial gains (losses) in 2017	$ 3.6
Estimated future employer contributions in 2017	$ 8.4
Minimum [Member] | Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Assumed rate of return forecast period	10 years
Minimum [Member] | U.S. Defined-Benefit Retiree Health And Life Insurance Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Average rate of annual increase in the per capita costs, post-65	8.50%
Maximum [Member] | Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Assumed rate of return forecast period	30 years
Maximum [Member] | U.S. Defined-Benefit Retiree Health And Life Insurance Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Average rate of annual increase in the per capita costs, post-65	9.30%
U.S. and Non-U.S. Plans [Member] | Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Employee contributions, vested percentage	100.00%
Costs for worldwide defined contribution benefit plans	$ 10.2	$ 9.2	$ 10.4