Share-based Compensation - Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Share-based compensation costs
Share based compensation	$ 2,007	$ 1,949	$ 6,466	$ 4,985
Tax benefit at statutory rate	452	439	1,455	1,122
Selling, general and administrative
Share-based compensation costs
Share based compensation	1,205	1,095	4,840	3,309
Research and development
Share-based compensation costs
Share based compensation	214	199	438	400
Cost of sales
Share-based compensation costs
Share based compensation	$ 588	$ 655	$ 1,188	$ 1,276