Commitments and Contingencies (Details) |
9 Months Ended | |
|---|---|---|
|
Jun. 28, 2017
USD ($)
employee
|
Jun. 30, 2017
pipeline
|
|
| Commitments and Contingencies Disclosure [Abstract] | ||
| Number of employees impacted by outsourcing | employee | 18 | |
| Accrued severance costs | $ | $ 135,000 | |
| Number of pipelines serving Roanoke Gas | pipeline | 2 |