Note 3 - Long-term Debt (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

	December 31,
	2014		2013
Long-term debt:
2014 Senior Credit Facility	$	556,438	$	-
2012 Senior Credit Facility		-		159,000
2020 Notes		675,000		675,000
Excalibur Loan		-		3,000
Other		-		48
Total outstanding principal		1,231,438		837,048
Plus unamortized premium or less unamortized discount on our 2020 Notes		4,963		5,826
Less current portion		-		(224	)
Net carrying value	$	1,236,401	$	842,650
Borrowing availability under the 2014 Senior Credit Facility	$	50,000	$	-
Borrowing availability under the 2012 Senior Credit Facility	$	-	$	30,000

Schedule of Maturities of Long-term Debt [Table Text Block]

	Minimum Principal Maturities
Year	2014 Senior Credit Facility		2020 Notes		Total
2015	$	-	$	-	$	-
2016		-		-		-
2017		-		-		-
2018		-		-		-
2019		-		-		-
Thereafter		556,438		675,000		1,231,438
Total	$	556,438	$	675,000	$	1,231,438