Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2011

Basis of Presentation and Significant Accounting Policies

Inventories Table

	September 30, 2011		December 31, 2010
	(In Thousands)
Finished goods	$	70,433	$	75,874
Raw materials		5,391		5,103
Parts and supplies		21,234		22,457
Work in progress		445		871
Inventories	$	97,503	$	104,305

Net Income per Share Table

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2011		2010		2011		2010
Number of weighted average common
shares outstanding		76,717,063		75,538,455		76,517,144		75,469,030
Assumed exercise of stock options		1,622,958		1,082,591		1,587,783		1,283,383
Average diluted shares outstanding		78,340,021		76,621,046		78,104,927		76,752,413

Fair Value Assets Measured on Nonrecurring Basis Table

	Fair Value Measurements as of
	September 30, 2011 Using
			Quoted Prices in
	Total Fair		Active Markets for		Significant Other		Significant
	Value as of		Identical Assets		Observable		Unobservable		Year-to-Date
	September 30,		or Liabilities		Inputs		Inputs		Impairment
Description	2011		(Level 1)		(Level 2)		(Level 3)		Losses
	(In Thousands)
Oil and gas properties	$	-	$	-	$	-	$	-	$	12,534
Total	$	-							$	12,534

7

	Fair Value Measurements as of
	September 30, 2010 Using
			Quoted Prices in
	Total Fair		Active Markets for		Significant Other		Significant
	Value as of		Identical Assets		Observable		Unobservable		Year-to-Date
	September 30,		or Liabilities		Inputs		Inputs		Impairment
Description	2010		(Level 1)		(Level 2)		(Level 3)		Losses
	(In Thousands)
Oil and gas properties	$	25,943	$	-	$	-	$	25,943	$	23,111
Other impairments		-								908
Total	$	25,943							$	24,019