Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2015

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				Six Months Ended
	June 30,				June 30,
	2015		2014		2015		2014
	(In millions)
Recognized stock compensation expense	$	4.8	$	4.5	$	9.1	$	8.3
Capitalized stock compensation cost for our oil and natural gas properties	1.0		1.0		1.9		1.8
Tax benefit on stock based compensation	1.7		1.7		3.4		3.2

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 periods indicated:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2015			2014			2015			2014
Shares granted:
Employees	—			—			724,442			438,342
Non employee directors	25,848			13,768			25,848			13,768
	25,848			13,768			750,290			452,110
Estimated fair value (in millions):
Employees	$	—		$	—		$	23.6		$	22.4
Non employee directors	0.9			0.9			0.9			0.9
	$	0.9		$	0.9		$	24.5		$	23.3
Percentage of shares granted expected to be distributed:
Employees	N/A			N/A			96		%	95		%
Non employee directors	100		%	100		%	100		%	100		%