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

12 Months Ended

Dec. 31, 2015

	2015			2014			2013
	(In Thousands)
Other expense:
Realized and unrealized losses on contractual obligations associated with carbon credits		2,759			2,799			1,233
Losses on sales and disposals of property and equipment		11			1,327			728
Dismantle and demolition expense (1)		—			559			2,578
Miscellaneous penalties		130			10			818
Miscellaneous expense		493			14			257
Total other expense	$	3,393		$	4,709		$	5,614
Other income:
Realized and unrealized gains on carbon credits	$	3,663		$	3,089		$	1,233
Settlements of litigation and potential litigation (2)		311			—			545
Miscellaneous income		1,206			576			312
Total other income	$	5,180		$	3,665		$	2,090
Other expense (income), net	$	(1,787	)	$	1,044		$	3,524

Non-operating other expense (income), net:
Interest income	$	(391	)	$	(301	)	$	(42	)
Miscellaneous income		—			—			(1	)
Loss on embedded derivative and other expense		520			20			66
Total non-operating other expense (income), net	$	129		$	(281	)	$	23

(1)	Amounts relate to the dismantling and demolition of certain plant and equipment at our facilities.

(2)	Amount relates primarily to settlements reached with certain of our vendors.