Employee Benefit Plans (Components of Net Periodic Benefit Cost and Other Amounts Recognized in Other Comprehensive Income) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive (Loss) Income:
Foreign currency changes	$ 248.3		$ 112.8		$ (0.4)
Pension Benefits U.S. Plans [Member]
Net Periodic Benefit Cost:
Service cost	14.1		15.7		15.1
Interest cost	27.8		27.5		29.6
Expected return on plan assets	(35.8)		(37.4)		(36.0)
Amortization of prior service credit	(0.3)		(0.3)		(0.3)
Amortization of actuarial losses	45.1		47.2		43.7
Settlements/curtailments	38.0		0		0.8
Other	0		0		0
Net periodic benefit costs	88.9		52.7		52.9
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive (Loss) Income:
Actuarial (gains) losses	105.9		(80.8)		37.7
Prior service cost (credit)	(2.0)		0		0
Amortization of prior service credit	0.3		0.3		0.3
Amortization of actuarial losses	(81.5)		(47.2)		(43.7)
Foreign currency changes	0		0		0
Total recognized in other comprehensive (loss) income	22.7	[1]	(127.7)	[1]	(5.7)	[1]
Recognized in benefit cost and other comprehensive (loss) income	111.6		(75.0)		47.2
Pension Benefits Non-U.S. Plans [Member]
Net Periodic Benefit Cost:
Service cost	8.5		12.2		18.0
Interest cost	36.5		36.8		39.8
Expected return on plan assets	(43.3)		(40.7)		(39.1)
Amortization of prior service credit	(0.1)		(0.2)		(1.3)
Amortization of actuarial losses	9.8		12.8		17.6
Settlements/curtailments	2.7		(4.3)		1.9
Other	0.6		0.7		0.7
Net periodic benefit costs	14.7		17.3		37.6
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive (Loss) Income:
Actuarial (gains) losses	99.2		(14.8)		31.0
Prior service cost (credit)	0		0		4.8
Amortization of prior service credit	0.1		7.9		2.4
Amortization of actuarial losses	(13.1)		(17.7)		(21.8)
Foreign currency changes	(31.3)		0.5		10.4
Total recognized in other comprehensive (loss) income	54.9	[1]	(24.1)	[1]	26.8	[1]
Recognized in benefit cost and other comprehensive (loss) income	69.6		(6.8)		64.4
Postretirement Benefits [Member]
Net Periodic Benefit Cost:
Service cost	1.1		1.8		1.9
Interest cost	4.9		5.1		5.8
Expected return on plan assets	0		0		0
Amortization of prior service credit	(4.5)		(4.8)		(13.2)
Amortization of actuarial losses	1.4		2.5		4.1
Settlements/curtailments	(2.7)		(1.8)		(1.0)
Other	0		0		0
Net periodic benefit costs	0.2		2.8		(2.4)
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive (Loss) Income:
Actuarial (gains) losses	3.6		(22.9)		4.7
Prior service cost (credit)	0		(1.3)		0
Amortization of prior service credit	7.3		7.1		14.6
Amortization of actuarial losses	(1.7)		(3.4)		(4.1)
Foreign currency changes	(0.1)		(0.2)		(0.2)
Total recognized in other comprehensive (loss) income	9.1	[1]	(20.7)	[1]	15.0	[1]
Recognized in benefit cost and other comprehensive (loss) income	$ 9.3		$ (17.9)		$ 12.6

[1] Amounts represent the pre-tax effect included within other comprehensive (loss) income. The net of tax amounts are included within the Consolidated Statements of Comprehensive Income.