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

12 Months Ended

Dec. 31, 2015

Other Income And Expenses [Abstract]

Schedule of Other Expense, Income and Non-Operating Other Income, Net

	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			1,312			737
Dismantle and demolition expense (1)		—			559			2,578
Miscellaneous penalties		137			18			824
Miscellaneous expense		688			197			302
Total other expense	$	3,595		$	4,885		$	5,674
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		890			676			545
Total other income	$	4,864		$	3,765		$	2,323
Other expense (income), net	$	(1,269	)	$	1,120		$	3,351
Non-operating other expense (income), net:
Interest income	$	(396	)	$	(301	)	$	(165	)
Miscellaneous income		—			—			(1	)
Loss on embedded derivative and other expense		520			20			66
Total non-operating other income, net	$	124		$	(281	)	$	(100	)

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

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