Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2012

Derivative Financial Instruments

Schedule of fair values of derivative instruments

	June 30, 2012		December 31, 2011
Asset derivatives designated as cash flow hedging instruments:
Natural gas hedge(1)	$	—	$	4,050
Interest rate cap(2)		81		432
Total asset derivatives	$	81	$	4,482
Liability derivatives designated as cash flow hedging instruments:
Interest rate swaps(3)	$	6,594	$	5,683

(1)

Included in other current assets at December 31, 2011.

(2)

$39,000 and $143,000 is included in other current assets and $42,000 and $289,000 is included in other long-term assets in the Condensed Consolidated Balance Sheets as of June 30, 2012 and December 31, 2011, respectively.

(3)

$3.1 million and $1.8 million is included in other current liabilities and $3.5 million and $3.9 million is included in other long-term liabilities in the Condensed Consolidated Balance Sheets as of June 30, 2012 and December 31, 2011, respectively.

Schedule of gains and losses from derivative instruments

	Gain (loss) recognized in accumulated other comprehensive income, net of tax						Gain (loss) reclassified from accumulated other comprehensive income to earnings, net of tax(1)(2)						Ineffective portion of 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	2012			2011			2012			2011			2012		2011
Natural gas hedges	$	(3,666	)	$	948		$	1,837		$	—		$	—	$	—
Interest rate swaps		390			(155	)		(460	)		(48	)		—		—
Interest rate cap		(88	)		(1,340	)		—			—			—		—
Total	$	(3,364	)	$	(547	)	$	1,377		$	(48	)	$	—	$	—

	Gain (loss) recognized in accumulated other comprehensive income, net of tax						Gain (loss) reclassified from accumulated other comprehensive income to earnings, net of tax(1)(2)						Ineffective portion of 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	2012			2011			2012			2011			2012		2011
Natural gas hedges	$	(5,798	)	$	781		$	3,279		$	—		$	—	$	—
Interest rate swaps		493			(60	)		(1,025	)		(94	)		—		—
Interest rate cap		(219	)		(1,340	)		—			—			—		—
Total	$	(5,524	)	$	(619	)	$	2,254		$	(94	)	$	—	$	—

(1)

Natural gas hedge amounts recorded in miscellaneous income in the Condensed Consolidated Statements of Operations and Comprehensive Income.

(2)

Interest rate swap amounts recorded in interest expense in the Condensed Consolidated Statements of Operations and Comprehensive Income.