Note 9 - Senior Notes, Credit Facilities, and Capital Leases (Details) - Credit Facilities (Parentheticals)	6 Months Ended
	Jun. 30, 2014
Senior Leverage Ratio [Member]
Line of Credit Facility [Line Items]
Ratio	2.50
Leverage Ratio [Member]
Line of Credit Facility [Line Items]
Ratio	4.00
Interest Coverage Ratio [Member]
Line of Credit Facility [Line Items]
Ratio	3.00