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

12 Months Ended

Dec. 31, 2014

Other Income and Expenses [Abstract]

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

	2014			2013			2012
	(In Thousands)
Other expense:
Realized and unrealized losses on contractual obligations associated with carbon credits	$	2,799		$	1,233		$	721
Losses on sales and disposals of property and equipment		1,312			737			996
Dismantle and demolition expense (1)		559			2,578			—
Miscellaneous penalties		18			824			112
Miscellaneous expense		197			302			289
Total other expense	$	4,885		$	5,674		$	2,118
Other income:
Realized and unrealized gains on carbon credits	$	3,089		$	1,233		$	876
Settlements of litigation and potential litigation (2)		—			545			2,303
Miscellaneous income		676			545			632
Total other income	$	3,765		$	2,323		$	3,811
Other expense (income), net	$	1,120		$	3,351		$	(1,693	)
Non-operating other expense (income), net:
Interest income	$	(301	)	$	(165	)	$	(87	)
Miscellaneous income		—			(1	)		(263	)
Miscellaneous expense		20			66			69
Total non-operating other income, net	$	(281	)	$	(100	)	$	(281	)

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

(2) Amounts relate primarily to settlements reached with certain vendors of our Chemical Business.