Derivatives (Pre-Tax Gains (Losses) Related To Derivates Designed As Hedges) (Details) (Cash Flow Hedges [Member], USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Loss On Debt Extinguishment [Member]
Loss reclassified from AOCI into income (Effective Portion)
Gain (Loss) recognized in income (Ineffective Portion)	(0.5)		(0.5)
Interest Expense-Net [Member]
Loss reclassified from AOCI into income (Effective Portion)	(0.1)	(0.1)	(0.3)	(0.3)
Interest Rate Lock [Member]
Gain (Loss) recognized in OCI (Effective Portion)