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Long-Term Debt (Notes)	9 Months Ended
Long-Term Debt (Notes)	Sep. 30, 2014
Debt Disclosure [Abstract]
Long-term Debt [Text Block]	Long-Term Debt On July 15, 2014, the Company amended its revolving credit facility to provide for a $200 million term loan. This term loan has an eight-year term and a variable rate based on the one-month London Interbank Offered Rate ("LIBOR") plus a fixed spread. The Company used this term loan combined with commercial paper borrowings to refinance $400 million public notes that matured in August 2014.