Debt (Tables)

6 Months Ended

Jun. 30, 2015

Debt Disclosure [Abstract]

Debt

Debt consists of:

	Second 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	104,846		103,194
6.00% tangible equity unit notes, net of discount	13,008		17,154
Secured promissory notes — average interest rates of 3.19% at second 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%	51,586		46,996
	$	434,840	$	432,744