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Debt (Tables)
 9 Months Ended
Sep. 30, 2015
Debt Disclosure [Abstract]  
Debt
Debt consists of:
 
Third
Quarter-End
 
Year-End
 
2015
 
2014
 
(In thousands)
8.50% senior secured notes due 2022
$
250,000

 
$
250,000

3.75% convertible senior notes due 2020, net of discount
105,672

 
103,194

6.00% tangible equity unit notes, net of discount
10,899

 
17,154

Secured promissory notes — average interest rates of 3.19% at third quarter-end 2015 and 3.17% at year-end 2014
15,400

 
15,400

Other indebtedness — interest rates ranging from 2.25% to 5.50%
53,324

 
46,996

 
$
435,295

 
$
432,744