Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Earnings before income taxes and the provision for income taxes
Loss before income taxes - U.S.									$ 136.2	$ 132.3	$ 119.2
Earnings before income taxes - Non-U.S.									733.1	628.7	646.7
Earnings before income taxes - total	193.9	229.2	246.7	199.5	175.0	170.1	194.7	221.2	869.3	761.0	765.9
Current:
Federal									27.7	59.8	31.8
Foreign									211.1	186.1	162.9
State									2.6	3.4	1.7
Total current									241.4	249.3	196.4
Deferred:
Federal									(2.3)	19.6	17.3
State									(7.3)	(0.1)	0.1
Foreign									(13.5)	(30.2)	(18.5)
Total deferred									(23.1)	(10.7)	(1.1)
Provision for income taxes	$ 44.5	$ 56.3	$ 66.6	$ 50.9	$ 48.4	$ 64.2	$ 68.5	$ 57.5	$ 218.3	$ 238.6	$ 195.3
Effective tax rate									25.10%	31.40%	25.50%