Non-operating (loss) income

6 Months Ended

Jun. 30, 2015

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,
	2015		2014			2015			2014
	(In thousands)
Unrealized gain (loss) on contingent interest derivative on Subordinated Convertible Debentures	$	2,708	$	5,246		$	(4,311	)	$	10,515
Interest income	373		195			632			511
Other, net	120		(447		)	1,325			484
Total non-operating income (loss), net	$	3,201	$	4,994		$	(2,354	)	$	11,510

Unrealized losses and gains 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. Interest income is earned principally from the Company’s surplus cash balances and marketable securities.