Annual report pursuant to Section 13 and 15(d)

Liabilities - Other Noncurrent Liabilities (Details)

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Liabilities - Other Noncurrent Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Sep. 30, 2017
Liabilities [Abstract]    
Treasury stock purchase obligation $ 0 $ 569
Accrued insurance costs 4,826 3,796
Other 469 655
Total other long-term liabilities $ 5,295 $ 5,020