Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2011

Derivative Financial Instruments [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

The following table summarizes the fair value of derivative instruments recorded in the consolidated balance sheets as of December 31, 2011 and 2010 (dollars in thousands):

		Fair Value
	Balance Sheet Location	2011		2010
Liability Derivatives:
Derivatives designated as hedges:
Interest rate swap agreement	Accrued expenses	$	4,143	$	4,202
Interest rate swap agreement	Other long-term liabilities	2,882		4,917
Total derivatives designated as hedges		$	7,025	$	9,119
Derivatives not designated as hedges:
Cross-currency swap agreement	Accrued expenses	$	7,170	$	5,541
Cross-currency swap agreement	Other long-term liabilities	—		2,091
Total derivatives not designated as hedges		$	7,170	$	7,632

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

The following table shows the effect of the Company’s derivative instrument designated as a cash flow hedge for the years ended December 31, 2011 and 2010 in other comprehensive income/(loss) (OCI) (dollars in thousands):

	Total Cash Flow Hedge OCI Activity, Net of Tax
	2011		2010
Derivatives Designated as Cash Flow Hedges:
Effective portion of changes in fair value recognized in OCI:
Interest rate swap agreement	$	1,334	$	(1,590	)

Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location

The following table shows the effect of the Company’s derivative instruments not designated as hedges for the year ended December 31, 2011 and 2010 in the consolidated statement of operations (dollars in thousands):

		Amount Recognized in Earnings
	Location of Amount Recognized in Earnings	2011			2010
Derivative Instruments Not Designated as Hedges:
Cross-currency swap agreement	Interest (expense)/income	$	(5,935	)	$	(449	)
Cross-currency swap agreement	Other income/(expense), net	246			(975		)
Foreign currency forward contracts	Other (expense)/income, net	—			(716		)
		$	(5,689	)	$	(2,140	)