Accumulated Other Comprehensive Loss (AOCL) (Tables)

12 Months Ended

Dec. 31, 2016

Additional financial information disclosures [Abstract]

Components of Accumulated Other Comprehensive Loss

Components of AOCL	2016			2015
Defined benefit plan liabilities	$	(125,917	)	$	(121,910	)
Gain (loss) on financial instruments	2,860			(1,435		)
Other comprehensive loss before income tax effect	(123,057		)	(123,345		)
Income tax effect (1)	9,164			10,695
Accumulated other comprehensive loss	$	(113,893	)	$	(112,650	)

(1) The allocation of the income tax effect to the components of other comprehensive income is as follows:

	2016			2015
Defined benefit plan liabilities	$	9,736		$	11,243
Gain (loss) on financial instruments	(572		)	(548		)

The following table summarizes the changes in the accumulated balances for each component of AOCL:

	Defined benefit plan and other postretirement liabilities			Equity in investee other comprehensive income			Gain (loss) on financial instruments			Total, net of tax
Balance, December 31, 2013	(77,921		)	(12,232		)	(1,679		)	(91,832		)
Other comprehensive income (loss) before reclassifications	(42,926		)	(419		)	—			(43,345		)
Net amount reclassified to net income	4,995			—			(151		)	4,844
Elimination of equity in investee resulting from acquisition	—			12,651			—			12,651
Balance, December 31, 2014	(115,852		)	—			(1,830		)	(117,682		)
Other comprehensive income before reclassifications	7,311			—			—			7,311
Net amount reclassified to net loss	(2,126		)	—			(153		)	(2,279		)
Balance, December 31, 2015	$	(110,667	)	$	—		$	(1,983	)	$	(112,650	)
Other comprehensive income before reclassifications	$	(9,521	)	$	—		$	—		$	(9,521	)
Net amount reclassified to net loss	4,007			—			4,271			8,278
Balance, December 31, 2016	$	(116,181	)	$	—		$	2,288		$	(113,893	)

Reclassification out of AOCI

Reclassifications out of AOCL were included in the consolidated statements of operations as follows:

		Gains (Losses) Reclassified from AOCL to the Consolidated Statements of Operations
AOCL Components	Location	2016			2015			2014
Defined benefit plan and other postretirement liabilities	Cost of goods sold	$	3,464		$	(1,696	)	$	6,237
	Selling, general and administrative expenses	465			235			569
	Other operating expense, net	1,585			904			—
	Income tax expense	(1,507		)	(1,569		)	(1,811		)
	Net of tax	$	4,007		$	(2,126	)	$	4,995
Equity in investee other comprehensive income	Cost of goods sold	$	—		$	—		$	—
	Income tax expense	—			—			(419		)
	Net of tax	$	—		$	—		$	(419	)
Gain (loss) on financial instruments	Cost of goods sold	$	(185	)	$	(186	)	$	(185	)
	Helguvik impairment	4,480			—			—
	Income tax benefit	(24		)	33			34
	Net of tax	$	4,271		$	(153	)	$	(151	)