Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2011

Long-Term Debt

Components Of Long-Term Debt

	June 30		December 31
	2011		2010
	(In thousands)
Senior Convertible Debentures due 2027, 2.75%
Principal amount of debt component	$	325,000	$	325,000
Less:  Unamortized debt discount		(74,300)		(79,055)
Carrying amount of debt component		250,700		245,945
Title XI Bonds due 2025, 7.71%		55,440		57,420
Total long-term debt		306,140		303,365
Less: Current maturities		3,960		3,960
Long-term debt less current maturities	$	302,180	$	299,405

Equity Component Of Senior Convertible Debentures

	June 30		December 31
	2011		2010
	(In thousands)
Debt discount on issuance	$	107,261	$	107,261
Less:   Issuance costs		2,249		2,249
Deferred income tax		36,772		36,772
Carrying amount of equity component	$	68,240	$	68,240

Interest Expense Of Senior Convertible Debentures

	Three Months Ended					Six Months Ended
	June 30					June 30
	2011			2010			2011		2010
	(In thousands)						(In thousands)
Contractual interest coupon, 2.75%	$	2,234	$		2,234		$	4,468		$	4,468
Amortization of debt discount		2,391			2,222			4,754			4,417
Total Debentures interest expense	$	4,625	$		4,456		$	9,222		$	8,885
Effective interest rate		7.5%			7.5%			7.5%			7.5%