Pension and Other Post-Retirement Benefit Plans (Components Of Net Periodic Benefit Cost) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
U.S.
Components of net annual benefit cost:
Service cost	$ 14.4	$ 13.8	$ 16.5
Interest cost	26.4	29.1	25.8
Expected return on plan assets	(43.9)	(46.3)	(41.6)
Settlement cost	2.1	22.5	5.1
Curtailment cost		2.4
Amortization of prior service cost (credit)		(0.1)	(0.1)
Amortization of net actuarial loss (gain)	19.4	12.2	26.6
Net periodic benefit cost (income)	18.4	33.6	32.3
Other changes in plan assets and benefit obligations recognized in other comprehensive income:
Net actuarial gain (loss) arising during period	(28.5)	(139.6)	193.3
Prior service (cost) credit arising during period		(2.3)
Settlements and curtailments	2.1	24.9	5.1
Amortization of net actuarial loss (gain)	19.4	12.2	26.6
Amortization of prior service cost (credit)		(0.1)	(0.1)
Total recognized in other comprehensive income (loss)	(7.0)	(104.9)	224.9
International
Components of net annual benefit cost:
Service cost	16.1	16.7	14.7
Interest cost	14.8	18.5	16.1
Expected return on plan assets	(27.9)	(30.0)	(23.7)
Settlement cost	(0.1)
Amortization of transition asset	(0.1)	(0.1)	(0.1)
Amortization of prior service cost (credit)	0.1	0.4	0.1
Amortization of net actuarial loss (gain)	11.7	6.7	5.3
Net periodic benefit cost (income)	14.6	12.2	12.4
Other changes in plan assets and benefit obligations recognized in other comprehensive income:
Net actuarial gain (loss) arising during period	0.6	(80.9)	(15.6)
Prior service (cost) credit arising during period		(0.3)	(0.6)
Settlements and curtailments	(0.1)
Amortization of net actuarial loss (gain)	11.7	6.7	5.3
Amortization of prior service cost (credit)	0.1	0.4	0.1
Amortization of transition asset	(0.1)	(0.1)	(0.1)
Other	(0.6)
Total recognized in other comprehensive income (loss)	11.6	(74.2)	(10.9)
Other Post-retirement Benefits
Components of net annual benefit cost:
Service cost		0.1	0.1
Interest cost	0.4	0.3	0.2
Amortization of prior service cost (credit)			(0.5)
Amortization of net actuarial loss (gain)	0.1	(0.3)	(0.2)
Net periodic benefit cost (income)	0.5	0.1	(0.4)
Other changes in plan assets and benefit obligations recognized in other comprehensive income:
Net actuarial gain (loss) arising during period	1.2	(4.0)	1.7
Prior service (cost) credit arising during period		0.1
Amortization of net actuarial loss (gain)	0.1	(0.3)	(0.2)
Amortization of prior service cost (credit)			(0.5)
Total recognized in other comprehensive income (loss)	$ 1.3	$ (4.2)	$ 1.0