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Fair Value Measurements (Notes) | 6 Months Ended
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Jun. 30, 2011
Fair Value Measurements [Abstract] |
Fair Value Measurements | Fair Value Measurements Authoritative guidance for fair value measurements establishes a fair value hierarchy which requires us to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. We primarily apply the market approach for recurring fair value measurements. There are three levels of inputs that may be used to measure fair value:
Level 1 |  | Unadjusted quoted prices in active markets for identical assets or liabilities. An active market for the asset or liability is a market in which transactions for the asset or liability occur with sufficient frequency and volume to provide pricing information on an ongoing basis.
Level 2 |  | Observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.
Level 3 |  | Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.
There were no changes to our valuation techniques used to measure the fair value of assets and liabilities on a recurring basis during the six months ended June 30, 2011. The following tables present information about our assets and liabilities measured at fair value on a recurring basis as of June 30, 2011, and June 30, 2010, and indicates the fair value hierarchy of the valuation techniques utilized to determine such fair value.
| June 30, 2011 |  | Balance Sheet Classification
| Level 1 |  | Level 2 |  | Level 3 |  | Total |
Assets |  |  |  |  |  |  |  |  |
Cash equivalents | $ | 1,183.0 |  |  | $ | 0.0 |  |  | $ | 0.0 |  |  | $ | 1,183.0 |  |  | Cash and cash equivalents
Short-term marketable securities | 14.2 |  |  | 0.0 |  |  | 0.0 |  |  | 14.2 |  |  | Marketable securities
Long-term investments | 1.4 |  |  | 10.4 |  |  | 0.0 |  |  | 11.8 |  |  | Other assets
Total | $ | 1,198.6 |  |  | $ | 10.4 |  |  | $ | 0.0 |  |  | $ | 1,209.0 |  |  |
As a percentage of total assets | 9.7 | % |  | 0.1 | % |  | 0.0 | % |  | 9.8 | % |  |
Liabilities |  |  |  |  |  |  |  |  |
Mandatorily redeemable noncontrolling interests 1 | $ | 0.0 |  |  | $ | 0.0 |  |  | $ | 27.0 |  |  | $ | 27.0 |  |  |
| June 30, 2010 |  | Balance Sheet Classification
| Level 1 |  | Level 2 |  | Level 3 |  | Total |
Assets |  |  |  |  |  |  |  |  |
Cash equivalents | $ | 1,264.7 |  |  | $ | 0.0 |  |  | $ | 0.0 |  |  | $ | 1,264.7 |  |  | Cash and cash equivalents
Short-term marketable securities | 12.5 |  |  | 0.0 |  |  | 0.0 |  |  | 12.5 |  |  | Marketable securities
Long-term investments | 1.2 |  |  | 13.8 |  |  | 0.0 |  |  | 15.0 |  |  | Other assets
Foreign currency derivatives 2 | 0.0 |  |  | 0.0 |  |  | 0.3 |  |  | 0.3 |  |  | Other assets
Total | $ | 1,278.4 |  |  | $ | 13.8 |  |  | $ | 0.3 |  |  | $ | 1,292.5 |  |  |
As a percentage of total assets | 10.9 | % |  | 0.1 | % |  | 0.0 | % |  | 11.0 | % |  |
Liabilities |  |  |  |  |  |  |  |  |
Mandatorily redeemable noncontrolling interests 1 | $ | 0.0 |  |  | $ | 0.0 |  |  | $ | 61.8 |  |  | $ | 61.8 |  |  |
1 | 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.
2 | Fair value is derived from changes in market value of obligations denominated in foreign currency based on an internal valuation model.
The following tables present additional information about assets and liabilities measured at fair value on a recurring basis and for which we utilize Level 3 inputs to determine fair value.
| Three months ended June 30, 2011 |  | Three months ended June 30, 2010
| Liabilities |  | Assets |  | Liabilities
| Mandatorily redeemable noncontrolling interests |  | Foreign currency derivatives |  | Mandatorily redeemable noncontrolling interests
Balance at beginning of period | $ | 57.9 |  |  | $ | 0.6 |  |  | $ | 63.5 |
Level 3 additions | 2.5 |  |  | 0.0 |  |  | 0.3 |
Level 3 reductions | (33.9 | ) |  | 0.0 |  |  | (2.9 | )
Realized losses included in net income | (0.5 | ) |  | (0.3 | ) |  | (0.9 | )
Balance at end of period | $ | 27.0 |  |  | $ | 0.3 |  |  | $ | 61.8 |
| Six months ended June 30, 2011 |  | Six months ended June 30, 2010
| Liabilities |  | Assets |  | Liabilities
| Mandatorily redeemable noncontrolling interests |  | Foreign currency derivatives |  | Mandatorily redeemable noncontrolling interests
Balance at beginning of period | $ | 52.0 |  |  | $ | 0.6 |  |  | $ | 47.8 |
Level 3 additions | 2.5 |  |  | 0.0 |  |  | 16.1 |
Level 3 reductions | (28.0 | ) |  | 0.0 |  |  | (2.9 | )
Realized losses included in net income | (0.4 | ) |  | (0.3 | ) |  | (0.8 | )
Foreign currency translation | 0.1 |  |  | 0.0 |  |  | 0.0 |
Balance at end of period | $ | 27.0 |  |  | $ | 0.3 |  |  | $ | 61.8 |
Level 3 reductions primarily consist of payments made related to unconditional obligations to purchase additional equity interests in previous acquisitions for cash, which are classified within the financing section of the unaudited Consolidated Statements of Cash Flows. Level 3 additions relate to unconditional obligations to purchase additional equity interests in previous acquisitions for cash in future periods. Realized losses included in net income for foreign currency derivatives and mandatorily redeemable noncontrolling interests are reported as a component of other income (expense), net and interest expense, respectively, in the unaudited Consolidated Statements of Operations.

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- Definition Tabular disclosure of the fair value measurement of assets and liabilities which includes [financial] instruments measured at fair value that are classified in stockholders' equity. Such assets and liabilities may be measured on a recurring or nonrecurring basis. The disclosures which may be required or desired include: (1) for assets and liabilities measured on a recurring basis, disclosure may include: (a) the fair value measurements at the reporting date; (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); (c) for fair value measurements using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (i) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), 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); (ii) purchases, sales, issuances, and settlements (net); (iii) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs); (d) the amount of the total gains or losses for the period in subparagraph (c) (i) above included in earnings (or changes in net assets) that are attributable to the change in unrealized gains or losses relating to those assets and liabilities still held at the reporting date and a description of where those unrealized gains or losses are reported in the statement of income (or activities); (e) the valuation technique(s) used to measure fair value and a discussion of changes in valuation techniques, if any, during the period and (2) for assets and liabilities that are measured at fair value on a nonrecurring basis (for example, impaired assets) disclosure may include, in addition to (a) above: (a) the reasons for the fair value measurements recorded; (b) the same as (b) above; (c) for fair value measurements using significant unobservable inputs (Level 3), a description of the inputs and the information used to develop the inputs; and (d) the valuation technique(s) used to measure fair value and a discussion of changes, if any, in the valuation technique(s) used to measure similar assets and/or liabilities in prior periods. 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 Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19279-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 33 -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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 10 -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19296-110258 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 6 -Footnote 4 -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 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19190-110258 + Details
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