Quarterly report pursuant to Section 13 or 15(d)

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

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Long-Term Debt and Lines of Credit - Schedule of Interest Costs Expensed and Capitalized (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2017
Mar. 31, 2016
Debt Disclosure [Abstract]        
Interest expense $ 2,374 $ 2,475 $ 4,701 $ 4,978
Interest capitalized 64 38 127 81
Total $ 2,438 $ 2,513 $ 4,828 $ 5,059