Annual report pursuant to Section 13 and 15(d)

Goodwill and intangible assets - Schedule of Future Estimated Amortization Expense (Details)

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Goodwill and intangible assets - Schedule of Future Estimated Amortization Expense (Details)
$ in Thousands
Sep. 30, 2018
USD ($)
Estimated future amortization expense  
2019 $ 9,377
2020 8,279
2021 7,416
2022 7,354
2023 $ 7,339