Note 9 - Senior Notes, Credit Facilities and Capital Leases (Details) - Credit Facilities (Parentheticals)	3 Months Ended
	Mar. 31, 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