Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2011

Derivative Financial Instruments

Schedule of fair values and location of derivative instruments

		June 30, 2011		December 31, 2010
Asset derivatives designated as cash flow hedging instruments:
	Natural gas hedge(1)	$	1,523	$	—
Liability derivatives designated as cash flow hedging instruments:
	Interest rate swaps(2)	$	634	$	386
	Interest rate cap(3)		2,154		—
	Total liability derivatives	$	2,788	$	386

(1)

Included in other long-term assets in the Condensed Consolidated Balance Sheets as of June 30, 2011.

(2)

As of June 30, 2011 $97 is included in other current liabilities and $537 is included in other long-term liabilities in the Condensed Consolidated Balance Sheets. As of December 31, 2010 the balance is included in other long-term liabilities.

(3)

As of June 30, 2011 $711 is included in other current liabilities and $1, 443 is included in other long-term liabilities in the Condensed Consolidated Balance Sheets.

Schedule of gains and losses from derivative instruments and their location within the Condensed Consolidated Financial Statements

	Gain (loss) recognized in accumulated other comprehensive income, net of tax						Gain (loss) reclassified from accumulated other comprehensive income (loss) to earnings						Gain (loss) recognized in earnings
	Three months ended June 30,						Three months ended June 30,						Three months ended June 30,
Derivatives designated as cash flow hedging instruments	2011			2010			2011			2010			2011		2010
Natural gas hedges(1)	$	947		$	(710	)	$	—		$	879		$	—	$	—
Interest rate swaps(2)		(202	)		(111	)		(76	)		(95	)		—		—
Interest rate cap		(1,340	)		—			—			—			—		—
Total	$	(595	)	$	(821	)	$	(76	)	$	784		$	—	$	—

(1)

Amounts recorded in miscellaneous income in the Condensed Consolidated Statements of Operations

(2)

Amounts recorded in interest expense in the Condensed Consolidated Statements of Operations

	Gain (loss) recognized in accumulated other comprehensive income, net of tax						Gain (loss) reclassified from accumulated other comprehensive income (loss) to earnings						Gain (loss) recognized in earnings
	Six months ended June 30,						Six months ended June 30,						Six months ended June 30,
Derivatives designated as cash flow hedging instruments	2011			2010			2011			2010			2011		2010
Natural gas hedges(1)	$	781		$	346		$	—		$	1,270		$	—	$	—
Interest rate swaps(2)		(154	)		(215	)		(153	)		(195	)		—		—
Interest rate cap		(1,340	)		—			—			—			—		—
Total	$	(713	)	$	131		$	(153	)	$	1,075		$	—	$	—

(1)

Amounts recorded in miscellaneous income in the Condensed Consolidated Statements of Operations

(2)

Amounts recorded in interest expense in the Condensed Consolidated Statements of Operations