Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2012

Earnings Per Share [Abstract]

Schedule Of Earnings Per Share

The following is a reconciliation of the denominators of the basic and diluted per share computations for net income attributable to HollyFrontier stockholders:

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
	(In thousands, except per share data)
Earnings attributable to HollyFrontier stockholders	$	493,499	$	192,235	$	735,195	$	276,929
Average number of shares of common stock outstanding	205,727		106,730		207,129		106,672
Effect of dilutive variable restricted shares and performance share units	754		610		809		614
Average number of shares of common stock outstanding assuming dilution	206,481		107,340		207,938		107,286
Basic earnings per share	$	2.40	$	1.80	$	3.55	$	2.60
Diluted earnings per share	$	2.39	$	1.79	$	3.54	$	2.58