Consolidated Statements of Comprehensive Income (USD $) In Millions	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Consolidated Statements of Comprehensive Income
Net income	$ 205.5	$ 160.5	$ 416.8	$ 326.2
Other comprehensive income:
Foreign currency translation adjustments	29.6	(47.1)	100.2	(82.2)
Unrealized holding gain/(loss) on available-for-sale securities (net of taxes of $1.1 million, $1.6 million, $3.4 million and $2.6 million)	5.9	(15.9)	16.0	(22.6)
Other than temporary impairment of available-for-sale securities	0	1.5	2.4	1.5
Comprehensive income	241.0	99.0	535.4	222.9
Components of accumulated other comprehensive income
Foreign currency translation adjustments	185.6		185.6		85.4
Unrealized holding gain on available-for-sale securities, net of taxes	18.7		18.7		0.3
Accumulated other comprehensive income	$ 204.3		$ 204.3		$ 85.7

Accumulated appreciation or loss, net of tax, in value of the total of unsold securities at the end of an accounting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
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Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains (losses).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at fiscal year-end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, and unrealized gains and losses on certain investments in debt and equity securities as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

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-Publisher SEC
-Name Regulation S-X (SX)
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The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the economic entity, including both controlling (parent) and noncontrolling interests. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, including any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Research Bulletin (ARB)
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Adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity, net of tax.

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Reclassification adjustment for unrealized gains or losses realized upon the write-down of securities, after tax.

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Appreciation or loss in value (before reclassification adjustment) of the total of unsold securities during the period being reported on, net of tax. Reclassification adjustments include: (1) the unrealized holding gain or loss, net of tax, at the date of the transfer for a debt security from the held-to-maturity category transferred into the available-for-sale category. Also includes the unrealized gain or loss at the date of transfer for a debt security from the available-for-sale category transferred into the held-to-maturity category; (2) the unrealized gains or losses realized upon the sale of securities, after tax; and (3) the unrealized gains or losses realized upon the write-down of securities, after tax.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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