Income Taxes (Summary Of Income Tax (Expense) Benefit) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current:
Federal	$ (33.5)us-gaap_CurrentFederalTaxExpenseBenefit	$ (17.4)us-gaap_CurrentFederalTaxExpenseBenefit	$ (1.7)us-gaap_CurrentFederalTaxExpenseBenefit
State	(3.1)	(2.8)	(0.9)
Foreign	(19.8)us-gaap_CurrentForeignTaxExpenseBenefit	(23.3)us-gaap_CurrentForeignTaxExpenseBenefit	(14.7)us-gaap_CurrentForeignTaxExpenseBenefit
Total current	(56.4)us-gaap_CurrentIncomeTaxExpenseBenefit	(43.5)us-gaap_CurrentIncomeTaxExpenseBenefit	(17.3)us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred:
Federal	36.7	(12.9)	(15.8)
State	4.6	(1.8)	0.1
Foreign	3.9	0.1	2.9
Total deferred	45.2	(14.6)	(12.8)
Income tax expense	$ (11.2)us-gaap_IncomeTaxExpenseBenefit	$ (58.1)us-gaap_IncomeTaxExpenseBenefit	$ (30.1)us-gaap_IncomeTaxExpenseBenefit

Deferred Income Expense from Continuing Operations

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