Additional stock based compensation.

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Portion of shares available for future grants under Incentive Plan that were transfer from prior plans.

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- Definition

Share based compensation arrangement total awards.

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Stock based compensation.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

Net number of share options (or share units) granted during the period.

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Stock-Based Compensation (Details Textual) (USD $) In Millions, except Share data	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011 Restricted Stock [Member]	Sep. 30, 2011 Performance Based Shares [Member]	May 02, 2011 Prior Stock Plan [Member]	May 02, 2011 2011 Incentive Plan [Member]
Additional Stock-Based Compensation (Textual) [Abstract]
Granted Shares			223,503	402,778
Aggregate number of shares authorized under the Prior Stock Plan					41,000,000
Shares available for future grants	10,824,883					10,600,000
Portion of shares available for future grants under Incentive Plan transferred from prior plans						4,000,000
Total stock awards outstanding					9,400,000
Stock-Based Compensation (Textual) [Abstract]
Total share based compensation expense	$ 28.1	$ 24.1
Total Income tax benefit related to share-based compensation	$ 10.3	$ 8.7
Total stock options granted	1,316,090