Derivatives (Tables)

9 Months Ended

Sep. 30, 2013

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Assets and Liabilities at Fair Value [Table Text Block]

The following table provides the fair values of our derivative financial instruments for the periods presented:

	Asset Derivatives:
(dollars in thousands)	September 30, 2013			December 31, 2012
Derivatives designated as hedging instruments under FASB ASC 815:	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
Interest rate contract	Derivative asset	$	—	Derivative asset	$	298
Total designated		—			298
Derivatives not designated as hedging instruments under FASB ASC 815:
Currency contracts	Prepaid and other current assets	185		Prepaid and other current assets	41
Total undesignated		185			41
Total		$	185		$	339
	Liability Derivatives:
(dollars in thousands)	September 30, 2013			December 31, 2012
Derivatives designated as hedging instruments under FASB ASC 815:	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
Natural gas contracts	Derivative liability	$	193	Derivative liability	$	420
Natural gas contracts	Other long-term liabilities	23		Other long-term liabilities	—
Interest rate contract	Other long-term liabilities	1,451		Other long-term liabilities	—
Total designated		1,667			420
Derivatives not designated as hedging instruments under FASB ASC 815:
Interest rate contract	Other long-term liabilities	162		Other long-term liabilities	—
Total undesignated		162			—
Total		$	1,829		$	420

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Table Text Block]

The following table provides a summary of the gain (loss) recognized on the Condensed Consolidated Statements of Operations from the designated portion of our New Rate Agreement:

	Three months ended September 30,						Nine months ended September 30,
(dollars in thousands)	2013			2012			2013			2012
Interest rate swap - designated	$	330		$	582		$	(1,749	)	$	243
Related long-term debt	(245		)	(1,248		)	1,265			2,839
Net impact	$	85		$	(666	)	$	(484	)	$	3,082

The gain or loss on the hedged long-term debt netted with the offsetting gain or loss on the related designated interest rate swap was recorded on the Condensed Consolidated Statements of Operations as follows:

	Three months ended September 30,					Nine months ended September 30,
(dollars in thousands)	2013		2012			2013			2012
Loss on redemption of debt	$	—	$	—		$	—		$	3,502
Other income (expense)	85		(666		)	(484		)	(420		)
Net impact	$	85	$	(666	)	$	(484	)	$	3,082

The following table provides a summary of the effective portion of derivative gain (loss) reclassified from accumulated other comprehensive loss to the Condensed Consolidated Statements of Operations:

		Three months ended September 30,					Nine months ended September 30,
(dollars in thousands)		2013		2012			2013		2012
Derivative:	Location:
Natural gas contracts	Cost of sales	$	26	$	(1,088	)	$	32	$	(4,284	)
Total impact on net income (loss)		$	26	$	(1,088	)	$	32	$	(4,284	)

Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]

The following table provides a summary of the effective portion of derivative gain (loss) recognized in other comprehensive income (loss):

	Three months ended September 30,					Nine months ended September 30,
(dollars in thousands)	2013			2012		2013		2012
Derivatives in Cash Flow Hedging relationships:
Natural gas contracts	$	(78	)	$	682	$	512	$	(836	)
Total	$	(78	)	$	682	$	512	$	(836	)

Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]

Gains (losses) on derivatives that were not designated as hedging instruments are recorded in current earnings as follows:

		Three months ended September 30,						Nine months ended September 30,
(dollars in thousands)		2013			2012			2013		2012
Derivative:	Location:
Currency contracts	Other income (expense)	$	(273	)	$	(190	)	$	144	$	(220	)
Total		$	(273	)	$	(190	)	$	144	$	(220	)