Fair Value Measurements (Assets And Liabilities Recorded At Fair Value On Recurring Basis) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives assets	$ 0.2
Assets held for sale	1.2
Total Assets	1.4
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives assets	0.2
Assets held for sale	1.2
Total Assets	$ 1.4