Derivative Instruments (Tables)

3 Months Ended

Mar. 31, 2015

Derivative Instruments

Schedule of fair value of outstanding derivative contracts

Asset Derivatives	Balance Sheet Locations	March 31, 2015		December 31, 2014
Derivatives designated as hedging instruments:
Foreign exchange contracts	Other current assets	$	2,061	$	1,665
Foreign exchange contracts	Other assets	111		182
Derivatives not designated as hedging instruments:
Foreign exchange contracts	Other current assets	239		308
Total asset derivatives		$	2,411	$	2,155

Liability Derivatives	Balance Sheet Locations	March 31, 2015		December 31, 2014
Derivatives designated as hedging instruments:
Natural gas contracts	Accounts payable and accrued liabilities	$	672	$	427
Foreign exchange contracts	Accrued pension and other liabilities	1		—
Natural gas contracts	Accrued pension and other liabilities	143		372
Derivatives not designated as hedging instruments:
Foreign exchange contracts	Accounts payable and accrued liabilities	212		62
Total liability derivatives		$	1,028	$	861

Schedule of outstanding derivative contracts

(in thousands except for mmbtu)	March 31, 2015		December 31, 2014
Natural gas contracts (mmbtu)	965,000		810,000
Foreign exchange contracts	$	45,869	$	41,237

Schedule of gross and net amounts of derivative assets and liabilities

	March 31, 2015						December 31, 2014
	Fair Value of Assets			Fair Value of Liabilities			Fair Value of Assets			Fair Value of Liabilities
Gross derivative amounts recognized in the balance sheet	$	2,411		$	1,028		$	2,155		$	861
Gross derivative amounts not offset in the balance sheet that are eligible for offsetting	(84		)	(84		)	(26		)	(26		)
Net  amount	$	2,327		$	944		$	2,129		$	835

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 March 31,
	2015			2014
Foreign exchange contracts	$	1,050		$	(356	)
Natural gas contracts	(323		)	105
Total	$	727		$	(251	)

	Amount of Gain or (Loss) Reclassified from
	Accumulated OCI into Earnings (Effective Portion) (1)
	Three Months Ended March 31,
	2015			2014
Foreign exchange contracts	$	444		$	133
Natural gas contracts	(124		)	4
Total	$	320		$	137

(1) Assuming market rates remain constant with the rates as of March 31, 2015, a gain of $1.7 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 March 31,
	2015			2014
Foreign exchange contracts	$	(1,030	)	$	(198	)
Total	$	(1,030	)	$	(198	)