Non-operating (loss) income

6 Months Ended

Jun. 30, 2016

Non-operating (loss) income, net [Abstract]

Other Income and Other Expense Disclosure [Text Block]

Non-operating Income (Loss), Net

The following table presents the components of Non-operating income (loss), net:

	Three Months Ended June 30,					Six Months Ended June 30,
	2016			2015		2016		2015
	(In thousands)
Unrealized (loss) gain on contingent interest derivative on Subordinated Convertible Debentures	$	(94	)	$	2,708	$	971	$	(4,311	)
Interest income	1,522			373		2,564		632
Other, net	281			120		1,295		1,325
Total non-operating income (loss), net	$	1,709		$	3,201	$	4,830	$	(2,354	)

Unrealized gains and losses on the contingent interest derivative on the Subordinated Convertible Debentures reflect the change in value of the derivative that results primarily from changes in the Company’s stock price.