Income Taxes (Provision For Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current:
Federal	$ 15.9	$ 139.6	$ 77.8
State	(2.7)	11.7	5.6
Foreign	82.5	227.8	149.6
Total current	95.7	379.1	233.0
Deferred:
Increase in the valuation allowance for deferred tax assets	27.7	34.1	0.5
Decrease of deferred tax liability for change in tax rates	(3.9)	(2.3)	(4.3)
Other deferred tax (benefit) expense	(11.7)	(49.9)	(16.6)
Total deferred	12.1	(18.1)	(20.4)
Provision for income taxes	$ 107.8	$ 361.0	$ 212.6