Note 2 - Long-term Debt (Tables)

6 Months Ended

Jun. 30, 2013

Debt Disclosure [Abstract]

Schedule of Debt [Table Text Block]

	June 30,			December 31,
	2013			2012
Long-term debt including current portion:
2012 Senior Credit Facility	$	535,000		$	535,000
2020 Notes		300,000			300,000
Total long-term debt at liquidation value		835,000			835,000
Less unamortized discount on 2020 Notes		(1,996	)		(2,133	)
Total long-term debt at recorded value	$	833,004		$	832,867
Borrowing availability under the 2012 Senior Credit Facility	$	40,000		$	40,000