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Business Combinations	6 Months Ended
Business Combinations	Mar. 31, 2018
Business Combinations [Abstract]
Business Combinations	7) Business Combinations During fiscal 2018, the Company acquired two heating oil dealers for an aggregate purchase price of approximately $0.3 million. The acquired companies’ operating results are included in the Company’s consolidated financial statements starting on their respective acquisition dates, and are not material to the Company’s financial condition, results of operations, or cash flows.