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Supplemental Cash Flow Information	9 Months Ended
Supplemental Cash Flow Information	Sep. 30, 2016
Supplemental Cash Flow Information [Abstract]
Supplemental Cash Flow Information	Supplemental Cash Flow Information As of September 30, 2016 and December 31, 2015, the Company has accruals related to utility and nonutility plant purchases totaling approximately $43.3 million and $19.4 million, respectively.