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Inventories | 12 Months Ended
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Sep. 30, 2017
Inventories | 6) Inventories The Company’s product inventories are stated at the lower of cost or market computed on the weighted average cost method. All other inventories, representing parts and equipment are stated at the lower of cost or market using the FIFO method. The components of inventory were as follows (in thousands):
|  | September 30, |
|  | 2017 |  |  | 2016 |
Product |  | $ | 37,941 |  |  | $ | 25,419 |
Parts and equipment |  |  | 21,655 |  |  |  | 20,475 |
Total inventory |  | $ | 59,596 |  |  | $ | 45,894 |
Product inventories were comprised of 24.2 million gallons and 18.4 million gallons on September 30, 2017 and September 30, 2016, respectively. The Company has market price based product supply contracts for approximately 292.3 million gallons of home heating oil and propane, and 47.0 million gallons of diesel and gasoline, which it expects to fully utilize to meet its requirements over the next twelve months. During fiscal 2017 and 2016, Global Companies LLC and NIC Holding Corp. provided approximately 13% and 8%, respectively, of our petroleum product purchases. No other single supplier provided more than 8% of our product supply during fiscal 2017 and 2016.

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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