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Accounts and Notes Receivable, net - Schedule of Accounts Receivable (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Jun. 30, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Trade receivables $ 54,547 $ 44,531
Other receivables 4,446 2,636
Allowance for doubtful accounts (495) (721)
Accounts receivable, net 58,498 46,446
Other Receivables [Member] | Earnout Receivable [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Other receivables $ 300 $ 400