Annual report pursuant to Section 13 and 15(d)

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

v3.10.0.1
Long-Term Debt and Lines of Credit - Schedule of Interest Costs Expensed and Capitalized (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2016
Debt Disclosure [Abstract]      
Interest expense $ 8,561 $ 9,141 $ 9,893
Interest capitalized 933 294 172
Total $ 9,494 $ 9,435 $ 10,065