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

6 Months Ended

Jun. 30, 2012

Derivatives, Hedges, Financial Instruments and Carbon Credits [Abstract]

Assets and liabilities measured at fair value on recurring basis


	Fair Value Measurements at June 30, 2012 Using
Description	Total Fair Value At June 30, 2012		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, 2011
	(In Thousands)
Assets — Supplies, prepaid items and other:
Commodities contracts	$	—	$	—	$	—	$	—	$	11
Carbon credits		42		—		—		42		42

Total	$	42	$	—	$	—	$	42	$	53

Liabilities — Current and noncurrent accrued and other liabilities:
Commodities	$	208	$	208	$	—	$	—	$	—
Foreign exchange contracts		2		—		2		—		—
Contractual obligations — carbon credits		42		—		—		42		42
Interest rate contracts		2,015		—		2,015		—		2,241

Total	$	2,267	$	208	$	2,017	$	42	$	2,283

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,
	2012		2011			2012			2011			2012		2011			2012			2011
	(In Thousands)
Beginning balance	$	42	$	644		$	(42	)	$	(644	)	$	42	$	11		$	(42	)	$	—
Transfers into Level 3		—		—			—			—			—		—			—			—
Transfers out of Level 3		—		—			—			—			—		—			—			—
Total realized and unrealized gains (losses) included in earnings		—		1,030			—			(936	)		—		990			—			(896	)
Purchases		—		—			—			—			—		—			—			—
Issuances		—		—			—			—			—		—			—			—
Sales		—		(1,665	)		—			—			—		(992	)		—			—
Settlements		—		—			—			1,573			—		—			—			889

Ending balance	$	42	$	9		$	(42	)	$	(7	)	$	42	$	9		$	(42	)	$	(7	)

Realized and unrealized net losses included in earnings and the income statement


	Six Months Ended June 30,						Three Months Ended June 30,
	2012			2011			2012			2011
	(In Thousands)
Total net gains (losses) included in earnings:
Cost of sales — Commodities contracts	$	(72	)	$	(194	)	$	(214	)	$	(43	)
Cost of sales — Foreign exchange contracts		(8	)		46			(8	)		6
Other income — Carbon credits		—			1,030			—			990
Other expenses — Contractual obligations relating to carbon credits		—			(936	)		—			(896	)
Interest expense — Interest rate contracts		(329	)		(1,026	)		(233	)		(688	)

	$	(409	)	$	(1,080	)	$	(455	)	$	(631	)


	Six Months Ended June 30,						Three Months Ended June 30,
	2012			2011			2012			2011
	(In Thousands)
Change in unrealized gains (losses) relating to contracts still held at period end:
Cost of sales — Commodities contracts	$	(208	)	$	(52	)	$	(209	)	$	(20	)
Cost of sales — Foreign exchange contracts		(2	)		—			(2	)		—
Other income — Carbon credits		—			9			—			9
Other expenses — Contractual obligations relating to carbon credits		—			(7	)		—			(7	)
Interest expense — Interest rate contracts		226			(240	)		(44	)		(292	)

	$	16		$	(290	)	$	(255	)	$	(310	)

- Definition

Tabular disclosure of the location and amount of gains and losses reported in the statement of financial performance, or when applicable, the statement of financial position. For example, (a) gains and losses recognized in the income statement on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges and (b) gains and losses initially recognized in other comprehensive income on derivative instruments designated and qualifying as cash flow hedges.

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