Derivatives, Hedges, Financial Instruments and Carbon Credits (Tables)

6 Months Ended

Jun. 30, 2013

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

The following details our assets and liabilities that are measured at fair value on a recurring basis at June 30, 2013 and December 31, 2012:


	Fair Value Measurements at June 30, 2013 Using
Description	Total Fair Value At June 30, 2013		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value at December 31, 2012
	(In Thousands)
Assets—Supplies, prepaid items and other:
Commodities contracts	$	—	$	—	$	—	$	—	$	79
Carbon credits		625		—		—		625		91

Total	$	625	$	—	$	—	$	625	$	170

Liabilities—Current and noncurrent accrued and other liabilities:
Contractual obligations -carbon credits	$	625	$	—	$	—	$	625	$	91
Interest rate contracts		1,449		—		1,449		—		1,874

Total	$	2,074	$	—	$	1,449	$	625	$	1,965

Reconciliation of Beginning and Ending Balances for Assets and Liabilities Measured at Fair Value on Recurring Basis

the following is a reconciliation of the beginning and ending balances for assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3):


	Assets					Liabilities						Assets				Liabilities
	Six Months Ended June 30,					Six Months Ended June 30,						Three Months Ended June 30,				Three Months Ended June 30,
	2013			2012		2013			2012			2013		2012		2013			2012
	(In Thousands)
Beginning balance	$	91		$	42	$	(91	)	$	(42	)	$	312	$	42	$	(312	)	$	(42	)
Transfers into Level 3		—			—		—			—			—		—		—			—
Transfers out of Level 3		—			—		—			—			—		—		—			—
Total realized and unrealized gains (losses) included in earnings		546			—		(546	)		—			313		—		(313	)		—
Purchases		—			—		—			—			—		—		—			—
Issuances		—			—		—			—			—		—		—			—
Sales		(12	)		—		—			—			—		—		—			—
Settlements		—			—		12			—			—		—		—			—

Ending balance	$	625		$	42	$	(625	)	$	(42	)	$	625	$	42	$	(625	)	$	(42	)

Realized and Unrealized Net Gains (Losses) Included in Earnings and Income Statement Classifications

Realized and unrealized net gains (losses) included in earnings and the income statement classifications are as follows:


	Six Months Ended June 30,						Three Months Ended June 30,
	2013			2012			2013			2012
	(In Thousands)
Total net gains (losses) included in earnings:
Cost of sales—Commodities contracts	$	(275	)	$	(72	)	$	(113	)	$	(214	)
Cost of sales—Foreign exchange contracts		—			(8	)		—			(8	)
Other income—Carbon credits		546			—			313			—
Other expense—Contractual obligations relating to carbon credits		(546	)		—			(313	)		—
Interest expense—Interest rate contracts		89			(329	)		88			(233	)

	$	(186	)	$	(409	)	$	(25	)	$	(455	)


	Six Months Ended June 30,						Three Months Ended June 30,
	2013			2012			2013			2012
	(In Thousands)
Change in unrealized gains (losses) relating to contracts still held at period end:
Cost of sales—Commodities contracts	$	—		$	(208	)	$	—		$	(209	)
Cost of sales—Foreign exchange contracts		—			(2	)		—			(2	)
Other income—Carbon credits		534			—			313			—
Other expense—Contractual obligations relating to carbon credits		(534	)		—			(313	)		—
Interest expense—Interest rate contracts		425			226			257			(44	)

	$	425		$	16		$	257		$	(255	)