Fair Values of Financial Instruments Schedule of Fair Values Of Financial Instruments by Balance Sheet Grouping (Tables)

3 Months Ended

Mar. 31, 2014

Fair Value Disclosures [Abstract]

Schedule of Fair Values Of Financial Instruments by Balance Sheet Grouping [Table Text Block]

The following table presents the fair values of our financial instruments as of the balance sheet dates:

	March 31, 2014				December 31, 2013
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
			(in thousands)
Assets
Cash and cash equivalents	$	146,327	$	146,327	$	124,805	$	124,805
Foreign exchange forwards	126		126		41		41
Liabilities
Credit facility
USD denominated term loan	$	253,125	$	252,465	$	258,750	$	258,011
Multicurrency revolving line of credit	95,000		94,719		120,000		119,609
Interest rate swaps	1,768		1,768		2,031		2,031
Foreign exchange forwards	330		330		145		145