Debt (Tables)

3 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

Debt

Debt consists of:

	First 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	104,020		103,194
6.00% tangible equity unit notes, net of discount	15,092		17,154
Secured promissory notes — average interest rates of 3.18% at first quarter-end 2015 and 3.17% at year-end 2014	15,400		15,400
Other indebtedness — interest rates ranging from 2.19% to 5.50% at first quarter-end 2015	49,901		46,996
	$	434,413	$	432,744