Share-based Compensation - Cost (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Share-based compensation costs
Share based compensation	$ 1,870	$ 1,989	$ 8,336	$ 6,974
Tax benefit at statutory rate	421	447	1,876	1,569
Selling, general and administrative
Share-based compensation costs
Share based compensation	1,124	1,125	5,965	4,434
Research and development
Share-based compensation costs
Share based compensation	180	208	618	608
Cost of sales
Share-based compensation costs
Share based compensation	$ 566	$ 656	$ 1,753	$ 1,932