Annual report pursuant to Section 13 and 15(d)

Financial Instruments, Fair Value of Other Financial Instruments (Details)

v2.4.0.6
Financial Instruments, Fair Value of Other Financial Instruments (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Estimate of Fair Value, Fair Value Disclosure [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair Value of the Company's long-term debt including current maturities $ 605.1 $ 703.1
Carrying (Reported) Amount, Fair Value Disclosure [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair Value of the Company's long-term debt including current maturities $ 570.1