Note 2 - Long-term Debt (Tables)

3 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

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

	March 31,		December 31,
	2015		2014
Long-term debt including current portion:
Senior Credit Facility	$	556,438	$	556,438
2020 Notes		675,000		675,000
Total outstanding principal		1,231,438		1,231,438
Unamortized premium on our 2020 Notes		4,747		4,963
Net carrying value	$	1,236,185	$	1,236,401
Borrowing availability under Revolving Credit Facility	$	50,000	$	50,000