Income Taxes (Schedule of Components of Income Tax Provision) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Contingency [Line Items]
Income tax provision	$ 67.7	$ 41.4	$ 120.8
Earnings (loss) before income taxes and noncontrolling interest:
Earnings before income taxes and noncontrolling interest	915.4	974.5	747.3
Foreign Tax Authority
Income Tax Contingency [Line Items]
U.S. Federal Current	13.7	218.1	89.5
U.S. Federal Deferred	(35.8)	(147.5)	(41.1)
Income tax provision (benefit), U.S. Federal	(22.1)	70.6	48.4
Earnings (loss) before income taxes and noncontrolling interest:
Earnings before income taxes and noncontrolling interest, United States	474.4	679.2	513.8
U.S. State Tax Authority
Income Tax Contingency [Line Items]
U.S. State Current	8.1	33.8	18.0
U.S. State Deferred	(11.9)	(1.6)	(1.9)
Income tax provision (benefit), U.S. State	(3.8)	32.2	16.1
Non-U.S. state tax authority
Income Tax Contingency [Line Items]
Non-U.S. Current	161.8	104.6	100.4
Non-U.S. Deferred	(68.2)	(166.0)	(44.1)
Income tax provision (benefit), Non-U.S.	93.6	(61.4)	56.3
Domestic Tax Authority
Earnings (loss) before income taxes and noncontrolling interest:
Earnings before income taxes and noncontrolling interest, foreign	(189.6)	14.2	16.5
Other Foreign Operations
Earnings (loss) before income taxes and noncontrolling interest:
Earnings before income taxes and noncontrolling interest, foreign	$ 630.6	$ 281.1	$ 217.0