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Fair Value Measurements (Fair Value Of Assets And Liabilities Measured On Recurring Basis) (Details) - USD ($) $ in Millions | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Liabilities: |  |
Contingent consideration | $ 18.8 | $ 19.6
Fair Value, Measurements, Recurring [Member] |  |
Liabilities: |  |
Contingent consideration | 4.5 | 5.0
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |
Liabilities: |  |
Contingent consideration | 0.0 | 0.0
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member] | Demand and time deposits [Member] |  |
Assets: |  |
Cash and cash equivalents | 67.2 | 9.5
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member] | Money Market Funds [Member] |  |
Assets: |  |
Cash and cash equivalents | 30.3 | 33.2
Fair Value, Measurements, Recurring [Member] | Significant Observable Inputs (Level 2) [Member] |  |
Liabilities: |  |
Contingent consideration | 0.0 | 0.0
Fair Value, Measurements, Recurring [Member] | Significant Observable Inputs (Level 2) [Member] | Demand and time deposits [Member] |  |
Assets: |  |
Cash and cash equivalents | 0.0 | 0.0
Fair Value, Measurements, Recurring [Member] | Significant Observable Inputs (Level 2) [Member] | Money Market Funds [Member] |  |
Assets: |  |
Cash and cash equivalents | 0.0 | 0.0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Liabilities: |  |
Contingent consideration | 4.5 | 5.0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Demand and time deposits [Member] |  |
Assets: |  |
Cash and cash equivalents | 0.0 | 0.0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Money Market Funds [Member] |  |
Assets: |  |
Cash and cash equivalents | 0.0 | 0.0
Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value Measurement [Member] |  |
Liabilities: |  |
Contingent consideration | 4.5 | 5.0
Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value Measurement [Member] | Demand and time deposits [Member] |  |
Assets: |  |
Cash and cash equivalents | 67.2 | 9.5
Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value Measurement [Member] | Money Market Funds [Member] |  |
Assets: |  |
Cash and cash equivalents | $ 30.3 | 33.2
Cash Flow Hedging [Member] | Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |
Liabilities: |  |
Derivative liabilities |  | 0.0
Cash Flow Hedging [Member] | Fair Value, Measurements, Recurring [Member] | Significant Observable Inputs (Level 2) [Member] |  |
Liabilities: |  |
Derivative liabilities |  | 0.2
Cash Flow Hedging [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Liabilities: |  |
Derivative liabilities |  | 0.0
Cash Flow Hedging [Member] | Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value Measurement [Member] |  |
Liabilities: |  |
Derivative liabilities |  | 0.2
Foreign Exchange Contract [Member] | Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |
Liabilities: |  |
Derivative liabilities |  | 0.0
Foreign Exchange Contract [Member] | Fair Value, Measurements, Recurring [Member] | Significant Observable Inputs (Level 2) [Member] |  |
Liabilities: |  |
Derivative liabilities |  | 0.1
Foreign Exchange Contract [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Liabilities: |  |
Derivative liabilities |  | 0.0
Foreign Exchange Contract [Member] | Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value Measurement [Member] |  |
Liabilities: |  |
Derivative liabilities |  | $ 0.1

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- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 + Details
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- Definition Fair value portion 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. + 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 -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 + Details
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