Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2013

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]

The following table summarizes OG&E's pre-tax compensation expense and related income tax benefit during the three months ended March 31, 2013 and 2012 related to performance units and restricted stock for OG&E employees.



	Three Months Ended
	March 31,
(In millions)	2013		2012
Performance units
Total shareholder return	$	0.5	$	0.4
Earnings per share	0.2		0.2
Total compensation expense	$	0.7	$	0.6
Income tax benefit	$	0.3	$	0.3

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

The following table summarizes the activity of OG&E's stock-based compensation during the three months ended March 31, 2013.



	Units/Shares	Fair Value
Grants
Performance units (Total shareholder return)	35,353	$	58.61
Performance units (Earnings per share)	11,785	$	53.45
Restricted stock	1,912	$	59.41
Conversions
Performance units (Total shareholder return) (A)	37,724	N/A
Performance units (Earnings per share) (A)	12,576	N/A


(A)	Performance units were converted based on a payout ratio of 200 percent of the target number of performance units granted in February 2010 and are included in the 69,674 shares of common stock issued during the three months ended March 31, 2013 as discussed above.

- Definition

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

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