XML 94 R81.htm IDEA: XBRL DOCUMENT v3.20.4
Note 15 - Debt - Short-term and Long-term Debt (Details) (Parentheticals) - USD ($)
$ in Millions
Dec. 31, 2020
May 08, 2020
Dec. 31, 2019
The 5.800% Senior Note [Member]      
Interest rate 5.80%   5.80%
Unamortized premium $ 0.1    
Unamortized discount     $ 0.7
The 3.625% Senior Note [Member]      
Interest rate 3.625% 3.625%  
Unamortized discount $ 10.7 $ 5.2  
The 4.125% Senior Note [Member]      
Interest rate 4.125%   4.125%
Unamortized discount $ 12.4   $ 13.9
The 4.000% Senior Note [Member]      
Interest rate 4.00%   4.00%
Unamortized discount $ 5.4   $ 6.7
The 5.500% Senior Note [Member]      
Interest rate 5.50%   5.50%
Unamortized discount $ 4.3   $ 4.5
The 4.125% Senior Note Maturing September 12, 2022 [Member]      
Interest rate 4.125%   4.125%
Unamortized discount $ 1.1   $ 1.6