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Fair Value Disclosures (Non-Pension Financial Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) - USD ($) $ in Millions | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | --- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Assets, Fair Value Disclosure |  | $ 16.4 | $ 29.2 |  |
Derivative Asset, Fair Value, Gross Asset |  | 9.5 | 7.7 |  |
Derivative Liability, Fair Value, Gross Liability |  | 13.5 | 12.2 |  |
Cash and cash equivalents |  | 274.8 | 199.4 | $ 226.3 | $ 183.8
Other assets |  | 291.9 | 240.7 |  |
Forward Starting Interest Rate Swaps [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Assets, Fair Value Disclosure |  | 0.1 |  |  |
Cross Currency Interest Rate Swap [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Assets, Fair Value Disclosure |  | 0.6 |  |  |
Investment Securities, Including Mutual Funds [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Assets, Fair Value Disclosure |  | 6.9 | 21.5 |  |
Interest Rate Swap [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Assets, Fair Value Disclosure |  | 2.2 |  |  |
Derivative Liability, Fair Value, Gross Liability |  | 5.3 | 11.8 |  |
Foreign Currency Derivatives [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Assets, Fair Value Disclosure |  | 6.6 | 7.7 |  |
Derivative Liability, Fair Value, Gross Liability |  | 1.7 | 0.4 |  |
Cash and Cash Equivalents [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Cash and cash equivalents |  | 2.0 | 8.4 |  |
Fair Value, Inputs, Level 1 [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Assets, Fair Value Disclosure |  | 4.5 | 4.6 |  |
Derivative Liability, Fair Value, Gross Liability |  | 0.0 | 0.0 |  |
Fair Value, Inputs, Level 1 [Member] | Forward Starting Interest Rate Swaps [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Assets, 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 | [1] | 4.5 | 4.6 |  |
Fair Value, Inputs, Level 1 [Member] | Interest Rate Swap [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Assets, Fair Value Disclosure |  | 0.0 |  |  |
Derivative Liability, Fair Value, Gross Liability |  | 0.0 | 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 | 0.0 |  |
Derivative Liability, Fair Value, Gross Liability |  | 0.0 | 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 |  | 11.9 | 24.6 |  |
Derivative Liability, Fair Value, Gross Liability |  | 13.5 | 12.2 |  |
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 | [1] | 2.4 | 16.9 |  |
Fair Value, Inputs, Level 2 [Member] | Foreign Currency Derivatives [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability |  | 1.7 | 0.4 |  |
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 | 0.0 |  |
Derivative Liability, Fair Value, Gross Liability |  | 0.0 | 0.0 |  |
Fair Value, Inputs, Level 3 [Member] | Forward Starting Interest Rate Swaps [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] | 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 | 0.0 |  |
Fair Value, Inputs, Level 3 [Member] | Interest Rate Swap [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Assets, Fair Value Disclosure |  | 0.0 |  |  |
Derivative Liability, Fair Value, Gross Liability |  | 0.0 | 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 | 0.0 |  |
Derivative Liability, Fair Value, Gross Liability |  | 0.0 | 0.0 |  |
Supplemental Executive Retirement Plan [Member] | Other Assets [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Other assets |  | 4.9 | 13.1 |  |
Other Assets [Member] | Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset |  | 2.2 | 0.0 |  |
Prepaid Expenses And Other [Member] | Fair Value, Inputs, Level 2 [Member] | Forward Starting Interest Rate Swaps [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset |  | 0.1 |  |  |
Other Noncurrent Liabilities [Member] | Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability |  |  | 11.8 |  |
Other Noncurrent Liabilities [Member] | Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability |  | 5.3 | 11.8 |  |
Foreign Currency Derivatives [Member] | Prepaid Expenses And Other [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset |  | 6.6 | 7.7 |  |
Foreign Currency Derivatives [Member] | Other Accrued Liabilities [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability |  | 0.1 | 0.4 |  |
Forward Starting Interest Rate Swaps [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability |  | 3.2 |  |  |
Forward Starting Interest Rate Swaps [Member] | Prepaid Expenses And Other [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset |  | 0.1 | 0.0 |  |
Forward Starting Interest Rate Swaps [Member] | Other Noncurrent Liabilities [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability |  | 0.0 |  |  |
Forward Starting Interest Rate Swaps [Member] | Other Noncurrent Liabilities [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability |  | 0.0 |  |  |
Forward Starting Interest Rate Swaps [Member] | Other Accrued Liabilities [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability |  | 3.2 | 0.0 |  |
Forward Starting Interest Rate Swaps [Member] | Other Accrued Liabilities [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability |  | 3.2 |  |  |
Cross Currency Interest Rate Swap [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability |  | 3.3 |  |  |
Cross Currency Interest Rate Swap [Member] | Other Assets [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset |  | 0.6 | 0.0 |  |
Cross Currency Interest Rate Swap [Member] | Other Noncurrent Liabilities [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability |  | 0.0 |  |  |
Cross Currency Interest Rate Swap [Member] | Other Noncurrent Liabilities [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability |  | 3.3 | $ 0.0 |  |
Cross Currency Interest Rate Swap [Member] | Other Noncurrent Liabilities [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability |  | $ 0.0 |  |  |
[1] | The values of investment securities, including mutual funds, are classified as cash and cash equivalents ($2.0 million and $8.4 million as of December 31, 2015 and 2014, respectively) and other assets ($4.9 million and $13.1 million as of December 31, 2015 and 2014, respectively). For mutual funds that are publicly traded, fair value is determined on the basis of quoted market prices and, accordingly, these investments have been classified as Level 1. Other investment securities are valued at the net asset value per share or unit multiplied by the number of shares or units held as of the measurement date and have been classified as Level 2.

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 + Details
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- Definition Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624163-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226000-175313 + Details
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- Definition Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624163-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226000-175313 + Details
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