Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Significant Accounting Tables Policies [Abstract]

Schedule Of Earnings Per Share

The following table provides a reconciliation of components of basic and diluted net income (loss) per common share:
		December 31,
		2014		2013		2012
Net income (loss)	$	542,851	$	237,838	$	(2,176,898)
Weighted average common shares outstanding
during the period		153,136		152,963		152,845
Effect of dilutive instruments		1,558		1,463		-	(1)
Weighted average common shares outstanding during
the period including the effects of dilutive instruments		154,694		154,426		152,845
Net income (loss) per common share - basic	$	3.54	$	1.55	$	(14.24)
Net income (loss) per common share - fully diluted	$	3.51	$	1.54	$	(14.24)
Number of shares not included in dilutive earnings per share that would have been anti-dilutive because the exercise price was greater than the average market price of
the common shares		1,377		1,406		-	(1)

⁽¹⁾ Due to the net loss for the year ended December 31,2012, 1.9 million shares for options and restricted stock units were anti-dilutive and excluded from the computation of loss per share.