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

6 Months Ended

Jun. 30, 2015

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:

	June 30, 2015				December 31, 2014
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
			(in thousands)
Assets
Cash and cash equivalents	$	128,814	$	128,814	$	112,371	$	112,371
Foreign exchange forwards	103		103		107		107
Interest rate swaps	—		—		75		75
Liabilities
Credit facility
USD denominated term loan	$	225,000	$	225,000	$	232,500	$	231,645
Multicurrency revolving line of credit	147,958		147,958		91,469		91,124
Interest rate swaps	1,227		1,227		1,317		1,317
Foreign exchange forwards	138		138		236		236