Reconciliation of Earnings Per Share (EPS) (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Schedule of Earnings Per Share Reconciliation

	Three months ended					Three months ended
(in thousands, except per share amounts)	March 31, 2018					March 31, 2017
	Net			Per Share		Net			Per Share
	Income		Shares	Amount		Income		Shares	Amount
Basic EPS	$	118,915	97,321	$	1.22	$	33,403	97,140	$	0.34
Effect of dilutive securities
Stock options			48					31
Non-vested restricted stock			282					262
Performance share awards			167					174
Diluted EPS	$	118,915	97,818	$	1.22	$	33,403	97,607	$	0.34

Schedule of Shares Excluded from the Computation of Diluted EPS

Energen had the following shares that were excluded from the computation of diluted EPS, as inclusion would be anti-dilutive:

	Three months ended March 31,
(in thousands)	2018	2017
Stock options	108	267
Performance share awards	163	131