Fair Value Disclosures (Recurring Fair Value Measurements) (Details) (USD $) | Jun. 30, 2014 | Dec. 31, 2013 | Jun. 30, 2013 | Dec. 31, 2012 |
In Millions, unless otherwise specified |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | | ' | | ' | ' |
Assets, Fair Value Disclosure | $45.20 | | $47.30 | | ' | ' |
Derivative Asset, Fair Value, Gross Asset | 23.5 | | 26 | | ' | ' |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 25.6 | | 36.9 | | ' | ' |
Cash and cash equivalents | 142.7 | | 226.3 | | 154.1 | 183.8 |
Other assets | 261.5 | | 268.9 | | ' | ' |
Investment Securities, Including Mutual Funds [Member] | ' | | ' | | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | | ' | | ' | ' |
Assets, Fair Value Disclosure | 21.7 | | 21.3 | | ' | ' |
Interest Rate Swaps [Member] | ' | | ' | | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | | ' | | ' | ' |
Assets, Fair Value Disclosure | 22.8 | | 23.1 | | ' | ' |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 21.6 | | 35.5 | | ' | ' |
Foreign Currency Derivatives [Member] | ' | | ' | | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | | ' | | ' | ' |
Assets, Fair Value Disclosure | 0.7 | | 2.9 | | ' | ' |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 4 | | 1.4 | | ' | ' |
Cash and Cash Equivalents [Member] | ' | | ' | | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | | ' | | ' | ' |
Cash and cash equivalents | 10.9 | | 10.9 | | ' | ' |
Other Assets [Member] | ' | | ' | | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | | ' | | ' | ' |
Other assets | 10.8 | | 10.3 | | ' | ' |
Fair Value, Inputs, Level 1 [Member] | ' | | ' | | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | | ' | | ' | ' |
Assets, Fair Value Disclosure | 9.1 | | 8.7 | | ' | ' |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 | | 0 | | ' | ' |
Fair Value, Inputs, Level 1 [Member] | Investment Securities, Including Mutual Funds [Member] | ' | | ' | | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | | ' | | ' | ' |
Assets, Fair Value Disclosure | 9.1 | [1] | 8.7 | [1] | ' | ' |
Fair Value, Inputs, Level 1 [Member] | Interest Rate Swaps [Member] | ' | | ' | | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | | ' | | ' | ' |
Assets, Fair Value Disclosure | 0 | | 0 | | ' | ' |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 | | 0 | | ' | ' |
Fair Value, Inputs, Level 1 [Member] | Foreign Currency Derivatives [Member] | ' | | ' | | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | | ' | | ' | ' |
Assets, Fair Value Disclosure | 0 | | 0 | | ' | ' |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 | | 0 | | ' | ' |
Fair Value, Inputs, Level 2 [Member] | ' | | ' | | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | | ' | | ' | ' |
Assets, Fair Value Disclosure | 36.1 | | 38.6 | | ' | ' |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 25.6 | | 36.9 | | ' | ' |
Fair Value, Inputs, Level 2 [Member] | Investment Securities, Including Mutual Funds [Member] | ' | | ' | | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | | ' | | ' | ' |
Assets, Fair Value Disclosure | 12.6 | [1] | 12.6 | [1] | ' | ' |
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swaps [Member] | ' | | ' | | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | | ' | | ' | ' |
Assets, Fair Value Disclosure | ' | | 23.1 | | ' | ' |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 21.6 | | 35.5 | | ' | ' |
Fair Value, Inputs, Level 2 [Member] | Foreign Currency Derivatives [Member] | ' | | ' | | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | | ' | | ' | ' |
Assets, Fair Value Disclosure | 0.7 | | 2.9 | | ' | ' |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 4 | | 1.4 | | ' | ' |
Fair Value, Inputs, Level 3 [Member] | ' | | ' | | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | | ' | | ' | ' |
Assets, Fair Value Disclosure | 0 | | 0 | | ' | ' |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 | | 0 | | ' | ' |
Fair Value, Inputs, Level 3 [Member] | Investment Securities, Including Mutual Funds [Member] | ' | | ' | | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | | ' | | ' | ' |
Assets, Fair Value Disclosure | 0 | | 0 | | ' | ' |
Fair Value, Inputs, Level 3 [Member] | Interest Rate Swaps [Member] | ' | | ' | | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | | ' | | ' | ' |
Assets, Fair Value Disclosure | 0 | | 0 | | ' | ' |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 | | 0 | | ' | ' |
Fair Value, Inputs, Level 3 [Member] | Foreign Currency Derivatives [Member] | ' | | ' | | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | | ' | | ' | ' |
Assets, Fair Value Disclosure | 0 | | 0 | | ' | ' |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 | | 0 | | ' | ' |
Other Assets [Member] | Fair Value, Inputs, Level 2 [Member] | Interest Rate Swaps [Member] | ' | | ' | | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | | ' | | ' | ' |
Derivative Asset, Fair Value, Gross Asset | $22.80 | | $23.10 | | ' | ' |
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[1] | The values of investment securities, including mutual funds, are classified as cash and cash equivalents ($10.9 million and $10.9 million as of JuneB 30, 2014 and DecemberB 31, 2013, respectively) and other assets ($10.8 million and $10.3 million as of JuneB 30, 2014 and DecemberB 31, 2013, respectively). |