v2.4.0.6
Short-Term Borrowings (Details Textual) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Short-term Debt [Line Items]  
Line of Credit Facility, Maximum Amount Outstanding During Period $ 12
Debt Instrument, Interest Rate at Period End 0.90%
Line of Credit Facility, Amount Outstanding 9
Revolving Credit Facility [Member]
 
Short-term Debt [Line Items]  
Line of Credit Facility, Amount, Total $ 60
Line of Credit Facility, Expiration Date Nov. 05, 2014
Line of Credit Facility, Interest Rate Description LIBOR plus 0.75%