Nature of Business (Table) |
12 Months Ended | |||||||||||||||||||||||||||||||
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Sep. 30, 2017 | ||||||||||||||||||||||||||||||||
Schedule of Divisions And Service Areas Table [Abstract] | ||||||||||||||||||||||||||||||||
Schedule of divisions and service areas | Through our distribution business, we deliver natural gas through sales and transportation arrangements to over three million residential, commercial, public-authority and industrial customers through our six regulated distribution divisions in the service areas described below:
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