Other Income (Tables)

6 Months Ended

Jun. 30, 2016

Other Income and Expenses [Abstract]

Schedule of Other Nonoperating Income (Expense) [Table Text Block]

Items included in other income in the Condensed Consolidated Statements of Operations are as follows:

	Three months ended June 30,					Six months ended June 30,
(dollars in thousands)	2016		2015			2016			2015
Gain (loss) on currency transactions	$	6	$	347		$	(724	)	$	1,462
Hedge ineffectiveness	769		566			1,139			167
Other non-operating income (expense)	27		(67		)	372			44
Other income	$	802	$	846		$	787		$	1,673