Debt Obligations (Tables)

12 Months Ended

Dec. 31, 2013

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

Debt obligations consist of the following as of December 31, 2013 and 2012:

	As of December 31,
(in thousands)	2013			2012
Credit Facility:
Term loan, due 2016	$	68,000		$	74,500
Revolving credit agreements, due 2016	129,010			215,117
	197,010			289,617
Convertible Debt:
3.50% convertible debentures, unsecured, due 2025	—			3,586
Other Obligations	2,403			1,051
Total debt obligations	$	199,413		$	294,254
Short-term debt obligations and current maturities of long-term debt obligations	$	(10,903	)	$	(7,551	)
Long-term debt obligations	$	188,510		$	286,703