Other Expense, Other Income and Non-Operating Other Income (Expense), net (Tables)

9 Months Ended

Sep. 30, 2012

Other Expense, Other Income and Non-Operating Other Income (Expense), net [Abstract]

Other Expense, Other Income and Non-Operating Other Income, net

	Nine Months Ended September 30,						Three Months Ended September 30,
	2012			2011			2012			2011
				(In Thousands)
Other expense:
Losses on sales and disposals of property and equipment	$	667		$	996		$	116		$	101
Losses on contractual obligations associated with carbon credits		248			936			248			—
Miscellaneous expense (1)		191			600			20			48
Total other expense	$	1,106		$	2,532		$	384		$	149
Other income:
Gains on carbon credits	$	248		$	1,028		$	248		$	(2	)
Settlements of litigation and potential litigation (2)		—			757			—			—
Miscellaneous income (1)		589			250			241			60
Total other income	$	837		$	2,035		$	489		$	58
Non-operating other income (expense), net:
Interest income	$	70		$	61		$	22		$	20
Miscellaneous income (1)		263			—			—			—
Miscellaneous expense (1)		(63	)		(58	)		(24	)		(22	)
Total non-operating other income (expense), net	$	270		$	3		$	(2	)	$	(2	)