Reconciliation of Earnings Per Share (EPS) (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Schedule of Earnings Per Share Reconciliation

	Three months ended					Three months ended
(in thousands, except per share amounts)	June 30, 2018					June 30, 2017
	Net			Per Share		Net			Per Share
	Income		Shares	Amount		Income		Shares	Amount
Basic EPS	$	68,274	97,433	$	0.70	$	29,481	97,189	$	0.30
Effect of dilutive securities
Stock options			100					24
Non-vested restricted stock			331					287
Performance share awards			216					193
Diluted EPS	$	68,274	98,080	$	0.70	$	29,481	97,693	$	0.30

	Six months ended					Six months ended
(in thousands, except per share amounts)	June 30, 2018					June 30, 2017
	Net			Per Share		Net			Per Share
	Income		Shares	Amount		Income		Shares	Amount
Basic EPS	$	187,189	97,377	$	1.92	$	62,884	97,165	$	0.65
Effect of dilutive securities
Stock options			70					26
Non-vested restricted stock			310					275
Performance share awards			185					182
Diluted EPS	$	187,189	97,942	$	1.91	$	62,884	97,648	$	0.64

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 June 30,		Six months ended June 30,
(in thousands)	2018	2017	2018	2017
Stock options	108	539	108	539
Non-vested restricted stock	—	6	—	6
Performance share awards	—	139	163	139