Income Taxes (Schedule Of Gross Unrecognized Tax Benefits Reconciliation) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2010
Income Tax Disclosure [Abstract]
Undistributed Earnings of Foreign Subsidiaries	$ 660.0
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance of liability as of January 1	45.2	$ 40.7	$ 31.4	$ 19.2
Increase as a result of tax positions taken during a prior year	1.5	2.0	6.7
Decrease as a result of tax positions taken during a prior year	(2.1)	(1.2)	(0.3)
Increase as a result of tax positions taken during the current year	9.2	11.2	5.9
Decrease as a result of settlements with taxing authorities	0.0	(1.1)	0.0
Reduction as a result of a lapse of the statute of limitations	(4.1)	(1.6)	(0.1)
Balance of liability as of December 31	$ 45.2	$ 40.7	$ 31.4	$ 19.2