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Non-operating income, net Non-operating income, net (Tables)
 12 Months Ended
Dec. 31, 2015
Non-operating (loss) income, net [Abstract]  
Schedule of Non-operating Income, net
The following table presents the components of Non-operating income, net:
 
Year Ended December 31,
 
2015
 
2014
 
2013
 
(In thousands)
Realized net gain (loss) on investments
$
185

 
$
(5
)
 
$
18,861

Unrealized (loss) gain on contingent interest derivative on Subordinated Convertible Debentures
(14,130
)
 
2,249

 
(17,801
)
Interest and dividend income
2,128

 
922

 
1,897

Other, net
1,152

 
1,712

 
343

Total non-operating (loss) income, net
$
(10,665
)
 
$
4,878

 
$
3,300