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Non-operating income, net Non-operating income, net (Tables)
 12 Months Ended
Dec. 31, 2014
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,
 
2014
 
2013
 
2012
 
(In thousands)
Realized net (loss) gain on investments
$
(5
)
 
$
18,861

 
$
102

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

 
(17,801
)
 
422

Interest and dividend income
922

 
1,897

 
2,957

Income from transition services agreements
—

 
—

 
2,541

Other, net
1,712

 
343

 
(458
)
Total non-operating income, net
$
4,878

 
$
3,300

 
$
5,564