Accumulated Other Comprehensive Income Tables (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Balance at Period Start	$ (1,217.6)		$ (870.4)
Other comprehensive (loss) income other than reclassifications	(129.7)		(9.0)
Reclassifications into earnings:
Derivative losses on cash flow hedges, net of tax	0.4	[1]	0.3	[1]
Amortization of net actuarial loss and prior service cost, net of tax	13.3	[2]	8.0	[2]
Total reclassifications into earnings	13.7		8.3
Balance at Period End	(1,333.6)		(871.1)
Change in derivative losses on cash flow hedges, taxes	0		0.2
Amortization of net actuarial loss and prior service cost, taxes	0.3		4.1
Foreign Currency Gain (Loss) [Member]
Balance at Period Start	(677.0)		(429.3)
Other comprehensive (loss) income other than reclassifications	(126.1)		(9.0)
Reclassifications into earnings:
Derivative losses on cash flow hedges, net of tax	0	[1]	0	[1]
Amortization of net actuarial loss and prior service cost, net of tax	0		0
Total reclassifications into earnings	0		0
Balance at Period End	(803.1)		(438.3)
Cash Flow Hedge [Member]
Balance at Period Start	(3.2)		(5.1)
Other comprehensive (loss) income other than reclassifications	0		0
Reclassifications into earnings:
Derivative losses on cash flow hedges, net of tax	0.4	[1]	0.3	[1]
Amortization of net actuarial loss and prior service cost, net of tax	0		0
Total reclassifications into earnings	0.4		0.3
Balance at Period End	(2.8)		(4.8)
Net Investment Hedging [Member]
Balance at Period Start	(4.3)		(4.3)
Other comprehensive (loss) income other than reclassifications	0		0
Reclassifications into earnings:
Derivative losses on cash flow hedges, net of tax	0		0
Amortization of net actuarial loss and prior service cost, net of tax	0		0
Total reclassifications into earnings	0		0
Balance at Period End	(4.3)		(4.3)
Accumulated Defined Benefit Plans Adjustment [Member]
Balance at Period Start	(533.1)		(431.7)
Other comprehensive (loss) income other than reclassifications	(3.6)		0
Reclassifications into earnings:
Derivative losses on cash flow hedges, net of tax	0		0
Amortization of net actuarial loss and prior service cost, net of tax	13.3	[2]	8.0	[2]
Total reclassifications into earnings	13.3		8.0
Balance at Period End	$ (523.4)		$ (423.7)

[1] Gross amount reclassified to interest expense, and related taxes reclassified to income taxes.

[2] Gross amount reclassified to pension and postretirement expense, within selling, general & administrative expenses, and related taxes reclassified to income taxes.