Annual report pursuant to Section 13 and 15(d)

Long-Term Debt and Lines of Credit - Schedule of Interest Costs Expensed and Capitalized (Details)

v3.8.0.1
Long-Term Debt and Lines of Credit - Schedule of Interest Costs Expensed and Capitalized (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2015
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2015
Debt Disclosure [Abstract]        
Interest expense $ 8,366 $ 9,141 $ 9,893 $ 8,366
Interest capitalized 345 294 172  
Total $ 8,711 $ 9,435 $ 10,065