Stock-Based Compensation

3 Months Ended

Mar. 31, 2020

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 months ended March 31, 2020 and 2019 related to OGE Energy's performance units and restricted stock units for OG&E employees.

	Three Months Ended March 31,
(In millions)	2020		2019
Performance units:
Total shareholder return	$	0.7	$	0.8
Earnings per share	0.1		0.1
Total performance units	0.8		0.9
Restricted stock units	0.1		0.1
Total compensation expense	$	0.9	$	1.0
Income tax benefit	$	0.2	$	0.3

During the three months ended March 31, 2020, OGE Energy purchased 255,000 shares of its common stock at an average cost of $38.04 per share on the open market, and 89,225 of these shares were used during the same period to satisfy payouts of earned performance units and restricted stock unit grants to OG&E employees pursuant to OGE Energy's Stock Incentive Plan.

During the three months ended March 31, 2020, OGE Energy granted 67,975 performance units (based on total shareholder return over a three-year period) and 22,665 restricted stock units (three-year cliff vesting period) to OG&E employees at $38.03 and $43.69 fair value per share, respectively.