Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Restricted Stock Awards and Stock Options

For restricted stock awards and stock options, we had:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2016		2015		2016		2015
	(In millions)
Recognized stock compensation expense	$	1.9	$	2.1	$	7.2	$	11.2
Capitalized stock compensation cost for our oil and natural gas properties	0.4		0.7		1.6		2.6
Tax benefit on stock based compensation	0.7		0.8		2.7		4.2

Schedule Of Fair Value Of The Restricted Stock Awards Granted During The Periods

The following table shows the fair value of restricted stock awards granted to employees and non-employee directors during the nine month periods ending September 30, 2016 and 2015:

	Nine Months Ended						Nine Months Ended
	September 30, 2016						September 30, 2015
	Time Vested			Performance Vested			Time Vested			Performance Vested
Shares granted:
Employees	486,578			152,373			576,361			148,081
Non-employee directors	90,000			—			25,848			—
	576,578			152,373			602,209			148,081
Estimated fair value (in millions):(1)
Employees	$	2.6		$	0.8		$	18.5		$	5.1
Non-employee directors	0.9			—			0.9			—
	$	3.5		$	0.8		$	19.4		$	5.1
Percentage of shares granted expected to be distributed:
Employees	94		%	89		%	94		%	3		%
Non-employee directors	100		%	N/A			100		%	N/A

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(1) Represents 100% of the grant date fair value. (We recognize the grant date fair value minus estimated forfeitures.)