Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2014

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,
	2014		2013		2014		2013
	(In millions)
Recognized stock compensation expense	$	4.5	$	4.3	$	8.3	$	7.6
Capitalized stock compensation cost for our oil and natural gas properties	1.0		0.9		1.8		1.6
Tax benefit on stock based compensation	1.7		1.6		3.2		2.9

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

The following table shows the fair value of any restricted stock awards granted to employees and non-employee directors during the periods indicated:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2014			2013			2014			2013
Shares granted:
Employees	—			—			438,342			448,549
Non employee directors	13,768			21,128			13,768			21,128
	13,768			21,128			452,110			469,677
Estimated fair value (in millions):
Employees	$	—		$	—		$	22.4		$	21.0
Non employee directors	0.9			0.9			0.9			0.9
	$	0.9		$	0.9		$	23.3		$	21.9
Percentage of shares granted expected to be distributed:
Employees	N/A			N/A			95		%	94		%
Non employee directors	100		%	100		%	100		%	100		%