Related Party Transactions - Transactions (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Jun. 30, 2019
Related Party Transaction [Line Items]
Net sales, related party sales	$ 21,784	$ 16,794	$ 49,446	$ 31,259
Cost of sales, related party purchases	75,333	74,553	140,366	152,707
Other long-term liabilities, related parties	3,430		3,430		$ 3,000
Affiliated \| Ablecom Technology
Related Party Transaction [Line Items]
Cost of sales, related party purchases	44,568	36,282	77,688	80,918
Accounts receivable and other receivables	10,747		10,747		7,236
Accounts payable and accrued liabilities	44,913		44,913		33,928
Other long-term liabilities, related parties	1,105		1,105		0
Affiliated \| Compuware
Related Party Transaction [Line Items]
Net sales, related party sales	6,406	4,640	11,953	9,782
Cost of sales, related party purchases	33,438	$ 40,277	66,754	$ 77,489
Accounts receivable and other receivables	16,747		16,747		14,396
Accounts payable and accrued liabilities	44,788		44,788		34,417
Other long-term liabilities, related parties	$ 325		$ 325		$ 0