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(9) Liability Extinguishment	9 Months Ended
(9) Liability Extinguishment	Sep. 30, 2013
Schedule Extinguishment Debt Text [Abstract]
Schedule Extinguishment Debt Text	(9) Liability Extinguishment During the 2013 second quarter we concluded that an approximate $4.3 million liability we recorded during 2006 upon the purchase of Sunrise relating to a terminated coal contract was no longer required. The amount had no effect on cash flows.