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Note 8 - Debt Schedule of Maturities of Long-term Debt (Tables)
 12 Months Ended
Dec. 31, 2014
Schedule of Maturities of Long-term debt [Abstract]  
Schedule of Maturities of Long-term Debt [Table Text Block]
Future maturities of debt are payable, as follows for the years ending December 31 (in millions):
   
 
 
Total Secured Debt
Amortization of Debt Discount, net
 
2015
 
$
321.2

(12.2
)
 
2016
 
303.0

(11.2
)
 
2017
 
352.8

(10.1
)
 
2018
 
295.0

(9.0
)
 
2019
 
339.5

(7.9
)
 
Thereafter
 
801.1

(23.0
)
 
Total
 
$
2,412.6

$
(73.4
)
$
2,339.2