Debt and Credit Agreements (Tables)

12 Months Ended

Dec. 31, 2013

Debt and Credit Agreements

Company's Long-Term Debt and credit agreements Components

	December 31,
(In thousands)	2013		2012
Long-Term Debt
7.33% weighted-average fixed rate notes	$	20,000	$	95,000
6.51% weighted-average fixed rate notes		425,000		425,000
9.78% notes		67,000		67,000
5.58% weighted-average fixed rate notes		175,000		175,000
Credit facility		460,000		325,000
Current Maturities
7.33% weighted-average fixed rate notes		—		(75,000	)
Long-Term Debt, excluding Current Maturities	$	1,147,000	$	1,012,000

7.33% Weighted Average Fixed Rate Notes

Debt

Schedule of long-term debt instruments by issued tranche

	Principal		Term	Maturity Date		Coupon
Tranche 1	$	75,000,000	10-year		July 2011		7.26%
Tranche 2	$	75,000,000	12-year		July 2013		7.36%
Tranche 3	$	20,000,000	15-year		July 2016		7.46%

6.51% Weighted Average Fixed Rate Notes

Debt

Schedule of long-term debt instruments by issued tranche

	Principal		Term	Maturity Date		Coupon
Tranche 1	$	245,000,000	10-year		July 2018		6.44%
Tranche 2	$	100,000,000	12-year		July 2020		6.54%
Tranche 3	$	80,000,000	15-year		July 2023		6.69%

5.58% Weighted Average Fixed Rate Notes

Debt

Schedule of long-term debt instruments by issued tranche

	Principal		Term	Maturity Date	Coupon
Tranche 1	$	88,000,000	10-year	January 2021		5.42%
Tranche 2	$	25,000,000	12-year	January 2023		5.59%
Tranche 3	$	62,000,000	15-year	January 2026		5.80%

Revolving Credit Facility

Debt

Schedule of changes in the basis spread on LIBOR and Prime rates for changes in the percentage of total indebtedness to the borrowing base

	Debt Percentage
	<25%		³25% <50%		³50% <75%		³75% <90%		³90%
Eurodollar loans		1.50%		1.75%		2.00%		2.25%		2.50%
ABR loans		0.50%		0.75%		1.00%		1.25%		1.50%