XML 20 R28.htm IDEA: XBRL DOCUMENT v2.4.0.8
Fair Value Measurements, Financial Instruments (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Financial Instruments    
Preferred stock of subsidiary $ 30.4 $ 30.4
Carrying (Reported) Amount, Fair Value Disclosure [Member]
   
Financial Instruments    
Preferred stock of subsidiary 30.4 30.4
Long-term debt including current portion 4,617.8 4,626.7
Estimate of Fair Value, Fair Value Disclosure [Member]
   
Financial Instruments    
Preferred stock of subsidiary 25.4 26.0
Long-term debt including current portion $ 4,954.2 $ 4,911.8