Quarterly Financial Information (Unaudited)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Information [Text Block]

The following table provides a summary of unaudited quarterly financial information:

	First Quarter			Second Quarter		Third Quarter			Fourth Quarter			Year
2019	(in millions, except per share amounts or otherwise specified)
Revenues	$	280.6		$	296.2	$	307.5		$	321.9		$	1,206.2
Operating income (loss)	$	(15.8	)	$	72.3	$	52.1		$	48.9		$	157.5
Net income (loss)	$	(116.7	)	$	48.8	$	81.0		$	(110.4	)	$	(97.3	)
Net gain (loss) from asset sales, inclusive of restructuring costs and impairment	$	(18.2	)	$	17.8	$	(2.1	)	$	1.4		$	(1.1	)
Per share information
Basic EPS	$	(0.49	)	$	0.20	$	0.34		$	(0.46	)	$	(0.41	)
Diluted EPS	$	(0.49	)	$	0.20	$	0.34		$	(0.46	)	$	(0.41	)
Production information
Total equivalent production (Mboe)	7,806.3			7,534.7		8,404.0			8,465.3			32,210.3

2018
Revenues	$	428.9		$	532.4		$	560.8	$	410.5		$	1,932.6
Operating income (loss)	$	21.4		$	(321.8	)	$	156.8	$	(1,116.8	)	$	(1,260.4	)
Net income (loss)	$	(53.6	)	$	(336.0	)	$	7.3	$	(629.3	)	$	(1,011.6	)
Net gain (loss) from asset sales, inclusive of restructuring costs and impairment	$	2.8		$	(407.6	)	$	27.1	$	(1,158.2	)	$	(1,535.9	)
Per share information
Basic EPS	$	(0.22	)	$	(1.42	)	$	0.03	$	(2.66	)	$	(4.25	)
Diluted EPS	$	(0.22	)	$	(1.42	)	$	0.03	$	(2.66	)	$	(4.25	)
Production information
Total equivalent production (Mboe)	11,724.6			14,106.1			14,400.0		11,627.2			51,857.9