Annual report pursuant to Section 13 and 15(d)

Fair Value of Financial Instruments (Details)

v2.4.0.8
Fair Value of Financial Instruments (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Dec. 21, 2012
Oct. 17, 2012
Debt Instrument [Line Items]      
Unamortized discount $ 3.2    
Unamortized premium 0.4    
Fair value of notes 320.8    
Senior Notes [Member]
     
Debt Instrument [Line Items]      
Carrying value of debt 297.2    
Unamortized discount     3.7
Unamortized premium   $ 0.5