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Fair Value Measurements (Tables) | 3 Months Ended
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Mar. 31, 2012
Fair Value Disclosures [Abstract] |
Fair Value, Assets and Liabilities Measured on Recurring Basis | The following tables present information about our financial instruments measured at fair value on a recurring basis as of March 31, 2012 and March 31, 2011, and indicates the fair value hierarchy of the valuation techniques utilized to determine such fair value.
| March 31, 2012 |  | Balance Sheet Classification
| Level 1 |  | Level 2 |  | Level 3 |  | Total |
Assets |  |  |  |  |  |  |  |  |
Cash equivalents | $ | 844.6 |  |  | $ | 0.0 |  |  | $ | 0.0 |  |  | $ | 844.6 |  |  | Cash and cash equivalents
Short-term marketable securities | 13.8 |  |  | 0.0 |  |  | 0.0 |  |  | 13.8 |  |  | Marketable securities
Long-term investments | 1.4 |  |  | 9.2 |  |  | 0.0 |  |  | 10.6 |  |  | Other assets
Total | $ | 859.8 |  |  | $ | 9.2 |  |  | $ | 0.0 |  |  | $ | 869.0 |  |  |
As a percentage of total assets | 7.3 | % |  | 0.1 | % |  | 0.0 | % |  | 7.4 | % |  |
Liabilities |  |  |  |  |  |  |  |  |
Interest rate swap agreements 1 | $ | 0.0 |  |  | $ | 2.8 |  |  | $ | 0.0 |  |  | $ | 2.8 |  |  | Other non-current liabilities
Mandatorily redeemable noncontrolling interests 2 | $ | 0.0 |  |  | $ | 0.0 |  |  | $ | 25.8 |  |  | $ | 25.8 |  |  |
| March 31, 2011 |  | Balance Sheet Classification
| Level 1 |  | Level 2 |  | Level 3 |  | Total |
Assets |  |  |  |  |  |  |  |  |
Cash equivalents | $ | 1,100.2 |  |  | $ | 0.0 |  |  | $ | 0.0 |  |  | $ | 1,100.2 |  |  | Cash and cash equivalents
Short-term marketable securities | 14.1 |  |  | 0.0 |  |  | 0.0 |  |  | 14.1 |  |  | Marketable securities
Long-term investments | 1.4 |  |  | 13.9 |  |  | 0.0 |  |  | 15.3 |  |  | Other assets
Total | $ | 1,115.7 |  |  | $ | 13.9 |  |  | $ | 0.0 |  |  | $ | 1,129.6 |  |  |
As a percentage of total assets | 9.2 | % |  | 0.1 | % |  | 0.0 | % |  | 9.3 | % |  |
Liabilities |  |  |  |  |  |  |  |  |
Interest rate swap agreements 1 | $ | 0.0 |  |  | $ | 0.3 |  |  | $ | 0.0 |  |  | $ | 0.3 |  |  | Other non-current liabilities
Mandatorily redeemable noncontrolling interests 2 | $ | 0.0 |  |  | $ | 0.0 |  |  | $ | 57.9 |  |  | $ | 57.9 |  |  |
1 | Our interest rate swap agreements are cash flow or fair value hedges whose fair value was derived from the present value of future cash flows using valuation models that were based on readily observable market data such as interest rates and yield curves.
2 | Relates to unconditional obligations to purchase additional noncontrolling equity shares of consolidated subsidiaries. Fair value measurement of the obligation was based upon the amount payable as if the forward contracts were settled. The amount redeemable within the next twelve months is classified in accrued liabilities; any interests redeemable thereafter are classified in other non-current liabilities.
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation | The following table presents additional information about financial instruments measured at fair value on a recurring basis and for which we utilize Level 3 inputs to determine fair value.
| Three months ended March 31,
Liabilities | 2012 |  | 2011
Mandatorily redeemable noncontrolling interests - Balance at beginning of period | $ | 58.9 |  |  | $ | 52.0 |
Level 3 additions | 0.0 |  |  | 7.4 |
Level 3 reductions | (33.1 | ) |  | (1.5 | )
Realized (losses) gains included in net loss | (0.1 | ) |  | 0.1 |
Foreign currency translation | (0.1 | ) |  | 0.1 |
Mandatorily redeemable noncontrolling interests - Balance at end of period | $ | 25.8 |  |  | $ | 57.9 |
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis | The following table presents information about our financial instruments that are not measured at fair value on a recurring basis as of March 31, 2012, and indicates the fair value hierarchy of the valuation techniques utilized to determine such fair value.
| March 31, 2012
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Total long-term debt | $ | 0.0 |  |  | $ | 1,542.4 |  |  | $ | 64.5 |  |  | $ | 1,606.9 |

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- Definition Tabular disclosure of assets and liabilities by class, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a nonrecurring basis in periods after initial recognition (for example, impaired assets). The disclosures that may be required or desired include: (a) the fair value measurements recorded during the period and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets or liabilities (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). Where the quoted price in an active market for the identical liability is not available, the Level 1 input is the quoted price of an identical liability when traded as an asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 33 -Subparagraph a, b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19296-110258 + Details
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- Definition Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issuances, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: 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=6925170&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19279-110258 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 820 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19190-110258 + Details
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