Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets (Details)

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Goodwill and Intangible Assets (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Mar. 31, 2018
Sep. 30, 2017
Goodwill And Intangible Assets Details    
Goodwill beginning $ 76,593 $ 18,590
Acquisition of SNI Companies 58,003
Goodwill ending $ 76,593 $ 76,593