Derivative Instruments (Tables)

9 Months Ended

Sep. 30, 2016

Derivative Instruments

Schedule of fair value of outstanding derivative contracts

Asset Derivatives	Balance Sheet Locations	September 30, 2016		December 31, 2015
Derivatives designated as hedging instruments:
Foreign exchange contracts	Other current assets	$	8	$	411
Natural gas contracts	Other current assets		78		—
Foreign exchange contracts	Other assets		—		6
Natural gas contracts	Other assets		20		—
Derivatives not designated as hedging instruments:
Foreign exchange contracts	Other current assets		45		51
Total asset derivatives		$	151	$	468

Liability Derivatives	Balance Sheet Locations	September 30, 2016		December 31, 2015
Derivatives designated as hedging instruments:
Foreign exchange contracts	Accounts payable and accrued liabilities	$	958	$	13
Natural gas contracts	Accounts payable and accrued liabilities		35		586
Foreign exchange contracts	Accrued pension and other liabilities		97		3
Natural gas contracts	Accrued pension and other liabilities		5		89
Derivatives not designated as hedging instruments:
Foreign exchange contracts	Accounts payable and accrued liabilities		23		92
Total liability derivatives		$	1,118	$	783

Schedule of outstanding derivative contracts

(in thousands except for mmbtu)	September 30, 2016		December 31, 2015
Natural gas contracts (mmbtu)		720,000		955,000
Foreign exchange contracts	$	42,697	$	37,016

Schedule of gross and net amounts of derivative assets and liabilities

	September 30, 2016				December 31, 2015
	Fair Value		Fair Value		Fair Value		Fair Value
	of Assets		of Liabilities		of Assets		of Liabilities
Gross derivative amounts recognized in the balance sheet	$	151	$	1,118	$	468	$	783
Gross derivative amounts not offset in the balance sheet that are eligible for offsetting		(65)		(65)		(67)		(67)
Net amount	$	86	$	1,053	$	401	$	716

Schedule of amount of gain or (loss) on derivatives recognized in OCI and reclassified from accumulated OCI into earnings (effective portion)

	Amount of Gain or (Loss) Recognized
	in OCI on Derivatives (Effective Portion)
	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
Foreign exchange contracts	$	(66)	$	(221)	$	(1,512)	$	649
Natural gas contracts		257		(342)		464		(692)
Total	$	191	$	(563)	$	(1,048)	$	(43)

	Amount of Gain or (Loss) Recognized from
	Accumulated OCI into Earnings (Effective Portion) (1)
	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
Foreign exchange contracts	$	(153)	$	600	$	281	$	1,668
Natural gas contracts		183		(292)		(407)		(696)
Total	$	30	$	308	$	(126)	$	972

(1) Assuming market rates remain constant with the rates as of September 30, 2016, a loss of $0.9 million is expected to be recognized in earnings over the next 12 months.

Schedule of fair value gains and losses on derivative contracts not qualified for hedge accounting treatment

	Amount of Gain or (Loss) Recognized in Earnings on Derivatives
	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
Foreign exchange contracts	$	(240)	$	(303)	$	1,050	$	(1,033)
Total	$	(240)	$	(303)	$	1,050	$	(1,033)