Equity (Tables)

12 Months Ended

Dec. 31, 2014

Accumulated Other Comprehensive Income (Loss) [Line Items]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Amounts recognized, net of tax, in Accumulated other comprehensive income (loss) for the years ended December 31, 2014 and 2013 consist of (in thousands):

	2014			2013
Prior service cost	$	718		$	(55	)
Transition asset	65			131
Unrecognized net actuarial loss and foreign exchange	(11,595		)	(8,702		)
Fair value of derivatives	(1,082		)	—
Total Accumulated other comprehensive loss	$	(11,894	)	$	(8,626	)