Related Party Transactions - Summary of Related Party Transactions (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Related Party Transaction [Line Items]
Cost of sales, related party purchases	$ 283,056	$ 276,843	$ 262,747
Net sales, related party sales	85,759	69,906	68,637
Other long-term liabilities, related party	1,699	3,000
Ablecom Technology | Affiliated
Related Party Transaction [Line Items]
Cost of sales, related party purchases	160,084	145,273	152,332
Accounts receivable and other receivables, related party	6,379	7,236
Accounts payable and accrued liabilities, related party	40,056	33,928
Other long-term liabilities, related party	513	0
Compuware | Affiliated
Related Party Transaction [Line Items]
Cost of sales, related party purchases	131,763	139,579	119,548
Net sales, related party sales	23,867	17,651	$ 46,921
Accounts receivable and other receivables, related party	14,323	14,396
Accounts payable and accrued liabilities, related party	46,518	34,417
Other long-term liabilities, related party	$ 186	$ 0