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3. Fair Value Measurements (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Millions, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | $ 570.9 |  | $ 675.7 |
Fair Value, Inputs, Level 1 [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | 12.3 | [1] | 15.6 | [1]
Available-for-sale investments | 325.2 | [2] | 242.1 | [2]
Forward foreign exchange contracts, Asset | 0 | [3] | 0 | [3]
Financial Assets Carried at Fair Value | 337.5 |  | 257.7 |
Forward foreign exchange contracts, Liability | 0 | [4] | 0 | [4]
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value | 0 | [5] | 0 | [5]
Liabilities, Fair Value Disclosure | 0 |  | 0 |
Fair Value, Inputs, Level 1 [Member] | Corporate Debt Securities [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 0 | [2] | 0 | [2]
Fair Value, Inputs, Level 1 [Member] | Foreign Brokered Certificates of Deposit [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 0 | [2] | 0 | [2]
Fair Value, Inputs, Level 1 [Member] | US Government Sponsored Agencies [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 0 | [2] | 0 | [2]
Fair Value, Inputs, Level 1 [Member] | Foreign Government Obligations [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 0 | [2] | 0 | [2]
Fair Value, Inputs, Level 1 [Member] | Municipal Obligations [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 0 | [2] | 0 | [2]
Fair Value, Inputs, Level 1 [Member] | Marketable Equity Securities [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 325.2 | [2] | 242.1 | [2]
Fair Value, Inputs, Level 1 [Member] | Asset-backed Securities [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 0 | [2] | 0 | [2]
Fair Value, Inputs, Level 1 [Member] | Commercial Paper [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | 0 | [1] | 0 | [1]
Fair Value, Inputs, Level 1 [Member] | Foreign Time Deposits [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | 11.1 | [1] | 10.1 | [1]
Fair Value, Inputs, Level 1 [Member] | US Government Sponsored Agencies [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | 0 | [1] | 0 | [1]
Fair Value, Inputs, Level 1 [Member] | Money Market Funds [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | 1.2 | [1] | 5.5 | [1]
Fair Value, Inputs, Level 2 [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | 8.2 | [1] | 54.1 | [1]
Available-for-sale investments | 245.7 | [2] | 433.6 | [2]
Forward foreign exchange contracts, Asset | 0.6 | [3] | 1.1 | [3]
Financial Assets Carried at Fair Value | 254.5 |  | 488.8 |
Forward foreign exchange contracts, Liability | 1.1 | [4] | 0.8 | [4]
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value | 0 | [5] | 0 | [5]
Liabilities, Fair Value Disclosure | 1.1 |  | 0.8 |
Fair Value, Inputs, Level 2 [Member] | Corporate Debt Securities [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 132.5 | [2] | 240.6 | [2]
Fair Value, Inputs, Level 2 [Member] | Foreign Brokered Certificates of Deposit [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 8.9 | [2] | 0.4 | [2]
Fair Value, Inputs, Level 2 [Member] | US Government Sponsored Agencies [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 39.1 | [2] | 92.7 | [2]
Fair Value, Inputs, Level 2 [Member] | Foreign Government Obligations [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 5.6 | [2] | 5.6 | [2]
Fair Value, Inputs, Level 2 [Member] | Municipal Obligations [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 11.0 | [2] | 12.1 | [2]
Fair Value, Inputs, Level 2 [Member] | Marketable Equity Securities [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 0 | [2] | 0 | [2]
Fair Value, Inputs, Level 2 [Member] | Asset-backed Securities [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 48.6 | [2] | 82.2 | [2]
Fair Value, Inputs, Level 2 [Member] | Commercial Paper [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | 7.0 | [1] | 52.8 | [1]
Fair Value, Inputs, Level 2 [Member] | Foreign Time Deposits [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | 0 | [1] | 0 | [1]
Fair Value, Inputs, Level 2 [Member] | US Government Sponsored Agencies [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | 1.2 | [1] | 1.3 | [1]
Fair Value, Inputs, Level 2 [Member] | Money Market Funds [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | 0 | [1] | 0 | [1]
Fair Value, Inputs, Level 3 [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | 0 | [1] | 0 | [1]
Available-for-sale investments | 0 | [2] | 0 | [2]
Forward foreign exchange contracts, Asset | 0 | [3] | 0 | [3]
Financial Assets Carried at Fair Value | 0 |  | 0 |
Forward foreign exchange contracts, Liability | 0 | [4] | 0 | [4]
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value | 20.8 | [5] | 52.6 | [5]
Liabilities, Fair Value Disclosure | 20.8 |  | 52.6 |
Fair Value, Inputs, Level 3 [Member] | Corporate Debt Securities [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 0 | [2] | 0 | [2]
Fair Value, Inputs, Level 3 [Member] | Foreign Brokered Certificates of Deposit [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 0 | [2] | 0 | [2]
Fair Value, Inputs, Level 3 [Member] | US Government Sponsored Agencies [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 0 | [2] | 0 | [2]
Fair Value, Inputs, Level 3 [Member] | Foreign Government Obligations [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 0 | [2] | 0 | [2]
Fair Value, Inputs, Level 3 [Member] | Municipal Obligations [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 0 | [2] | 0 | [2]
Fair Value, Inputs, Level 3 [Member] | Marketable Equity Securities [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 0 | [2] | 0 | [2]
Fair Value, Inputs, Level 3 [Member] | Asset-backed Securities [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 0 | [2] | 0 | [2]
Fair Value, Inputs, Level 3 [Member] | Commercial Paper [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | 0 | [1] | 0 | [1]
Fair Value, Inputs, Level 3 [Member] | Foreign Time Deposits [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | 0 | [1] | 0 | [1]
Fair Value, Inputs, Level 3 [Member] | US Government Sponsored Agencies [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | 0 | [1] | 0 | [1]
Fair Value, Inputs, Level 3 [Member] | Money Market Funds [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | 0 | [1] | 0 | [1]
Estimate of Fair Value Measurement [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | 20.5 | [1] | 69.7 | [1]
Available-for-sale investments | 570.9 | [2] | 675.7 | [2]
Forward foreign exchange contracts, Asset | 0.6 | [3] | 1.1 | [3]
Financial Assets Carried at Fair Value | 592.0 |  | 746.5 |
Forward foreign exchange contracts, Liability | 1.1 | [4] | 0.8 | [4]
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value | 20.8 | [5] | 52.6 | [5]
Liabilities, Fair Value Disclosure | 21.9 |  | 53.4 |
Estimate of Fair Value Measurement [Member] | Corporate Debt Securities [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 132.5 | [2] | 240.6 | [2]
Estimate of Fair Value Measurement [Member] | Foreign Brokered Certificates of Deposit [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 8.9 | [2] | 0.4 | [2]
Estimate of Fair Value Measurement [Member] | US Government Sponsored Agencies [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 39.1 | [2] | 92.7 | [2]
Estimate of Fair Value Measurement [Member] | Foreign Government Obligations [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 5.6 | [2] | 5.6 | [2]
Estimate of Fair Value Measurement [Member] | Municipal Obligations [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 11.0 | [2] | 12.1 | [2]
Estimate of Fair Value Measurement [Member] | Marketable Equity Securities [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 325.2 | [2] | 242.1 | [2]
Estimate of Fair Value Measurement [Member] | Asset-backed Securities [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 48.6 | [2] | 82.2 | [2]
Estimate of Fair Value Measurement [Member] | Commercial Paper [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | 7.0 | [1] | 52.8 | [1]
Estimate of Fair Value Measurement [Member] | Foreign Time Deposits [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | 11.1 | [1] | 10.1 | [1]
Estimate of Fair Value Measurement [Member] | US Government Sponsored Agencies [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | 1.2 | [1] | 1.3 | [1]
Estimate of Fair Value Measurement [Member] | Money Market Funds [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | 1.2 | [1] | 5.5 | [1]
Other Current Liabilities [Member] | Estimate of Fair Value Measurement [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value | 6.1 |  | 27.3 |
Short-term Investments [Member] | Corporate Debt Securities [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 132.5 |  | 240.6 |
Short-term Investments [Member] | Foreign Brokered Certificates of Deposit [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 8.9 |  | 0.4 |
Short-term Investments [Member] | US Government Sponsored Agencies [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 39.1 |  | 92.7 |
Short-term Investments [Member] | Foreign Government Obligations [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 5.6 |  | 5.4 |
Short-term Investments [Member] | Municipal Obligations [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 11.0 |  | 12.1 |
Short-term Investments [Member] | Marketable Equity Securities [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 32.0 |  | 24.6 |
Short-term Investments [Member] | Asset-backed Securities [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 48.3 |  | 81.9 |
Short-term Investments [Member] | Estimate of Fair Value Measurement [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 277.4 |  | 457.7 |
Other Investments [Member] | Estimate of Fair Value Measurement [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale investments | 293.5 |  | 218.0 |
Other Noncurrent Liabilities [Member] | Estimate of Fair Value Measurement [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value | $ 14.7 |  | $ 25.3 |
[1] | Cash equivalents are included in Cash and cash equivalents in the Consolidated Balance Sheets.
[2] | Available-for-sale investments are included in the following accounts in the Consolidated Balance Sheets (in millions): December 31, 2013 December 31, 2012 Short-term investments$277.4 $457.7Other investments293.5 218.0Total$570.9 $675.7
[3] | Forward foreign exchange contracts in an asset position are included in Prepaid expenses, taxes and other current assets in the Consolidated Balance Sheets.
[4] | Forward foreign exchange contracts in a liability position are included in Other current liabilities in the Consolidated Balance Sheets.
[5] | The contingent consideration liability is included in the following accounts in the Consolidated Balance Sheet (in millions): December 31, 2013 December 31, 2012 Other current liabilities$6.1 $27.3Other long-term liabilities14.7 25.3 Total$20.8 $52.6

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 + 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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- Details
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- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps. + References No definition available. + Details
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- Definition Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into. + References No definition available. + Details
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- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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