Stock-Based Compensation

6 Months Ended

Jun. 30, 2019

Share-based Payment Arrangement [Abstract]

Share-based Payment Arrangement [Text Block]

Stock-Based Compensation

The following table summarizes OG&E's pre-tax compensation expense and related income tax benefit during the three and six months ended June 30, 2019 and 2018 related to OGE Energy's performance units and restricted stock for OG&E employees.

	Three Months Ended June 30,				Six Months Ended June 30,
(In millions)	2019		2018		2019		2018
Performance units:
Total shareholder return	$	0.7	$	0.8	$	1.5	$	1.5
Earnings per share	0.2		0.4		0.3		0.6
Total performance units	0.9		1.2		1.8		2.1
Restricted stock	0.1		—		0.2		—
Total compensation expense	$	1.0	$	1.2	$	2.0	$	2.1
Income tax benefit	$	0.2	$	0.3	$	0.5	$	0.5

During the three and six months ended June 30, 2019, OGE Energy issued to OG&E employees zero shares and 164,571 shares, respectively, of new common stock pursuant to OGE Energy's Stock Incentive Plan to satisfy restricted stock grants and payouts of earned performance units.