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Represents the dividend equivalents on restricted stock units.

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Appreciation or loss in value (before reclassification adjustment) of the total of unsold securities without other than temporary impairments 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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Appreciation or loss in value (before reclassification adjustment) of the total of unsold securities with other than temporary impairments 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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- Definition

Includes share-based compensation expense, net share activity under the company's long-term incentive plan, employee stock purchase plan, excess tax benefits for share-based compensation and share cancellations in satisfaction of withholding tax requirements.

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Number of shares issued during the period as a result of net share activity under the company's long-term incentive plan, employee stock purchase plan, and share cancellations in satisfaction of withholding tax requirements.

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Common stock cash dividend declared by an entity during the period. This element includes paid and unpaid dividends declared during the period.

+ 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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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Net of tax effect change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges after taxes. A cash flow hedge is a hedge of the exposure to variability in the cash flows of a recognized asset or liability or a forecasted transaction that is attributable to a particular risk. The change includes an entity's share of an equity investee's increase (decrease) in deferred hedging gains or losses.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 130

-Paragraph 14, 17, 20, 26

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

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-Name Accounting Research Bulletin (ARB)

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-Name Statement of Financial Accounting Standard (FAS)

-Number 130

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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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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 52

-Paragraph 13, 20, 31

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-Name Accounting Research Bulletin (ARB)

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-Name Statement of Financial Accounting Standard (FAS)

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- Definition

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

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-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

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- Definition

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

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-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 51

-Paragraph A1, A4, A5

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-Number 51

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-Name Accounting Research Bulletin (ARB)

-Number 51

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Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

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- Definition

Total of Stockholders' Equity (deficit) items, net of receivables from officers, directors owners, and affiliates of the entity including portions attributable to both the parent and noncontrolling interests (previously referred to as minority interest), if any. The entity including portions attributable to the parent and noncontrolling interests is sometimes referred to as the economic entity. This excludes temporary equity and is sometimes called permanent equity.

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-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 51

-Paragraph 25

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-Name Accounting Research Bulletin (ARB)

-Number 51

-Paragraph 26

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-Name Accounting Research Bulletin (ARB)

-Number 51

-Paragraph A3

-Appendix A

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Consolidated Statement of Shareholders' Equity (USD $) In Thousands, except Share data	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income	Deferred Equity Compensation
Balance at Dec. 31, 2010	$ 3,733,454	$ 1,837	$ 2,585,423	$ 1,032,445	$ 111,749	$ 2,000
Balance (in shares) at Dec. 31, 2010		183,744,655
Increase (Decrease) in Shareholders' Equity
Net income	140,612			140,612
Dividends ($0.045 per share)	(8,286)			(8,286)
Dividends on restricted stock units			68	(68)
Share-based compensation and other	3,709	3	3,706
Share-based compensation and other (in shares)		299,942
Change in cumulative translation adjustment	1,243				1,243
Change in cash flow hedge	(105)				(105)
Change in unrealized gains (losses) on:
Investments with no other-than-temporary impairment	(46,390)				(46,390)
Investments with other-than-temporary impairment	20,845				20,845
Less: reclassification adjustment for gains (losses) included in net income (loss)	1,029				1,029
Balance at Mar. 31, 2011	$ 3,844,053	$ 1,840	$ 2,589,197	$ 1,164,703	$ 86,313	$ 2,000
Balance (in shares) at Mar. 31, 2011		184,044,597