Share-based Compensation - Allocation Of Share-based Compensation Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Share-based compensation costs recognized in the entity's Consolidated Statements of Operations
Share based compensation	$ 1,789	$ 2,025	$ 5,962	$ 8,423
Tax benefit at statutory rate	653	739	2,176	3,074
Selling, general and administrative
Share-based compensation costs recognized in the entity's Consolidated Statements of Operations
Share based compensation	1,345	1,511	4,568	6,891
Research and development
Share-based compensation costs recognized in the entity's Consolidated Statements of Operations
Share based compensation	175	195	500	584
Cost of sales
Share-based compensation costs recognized in the entity's Consolidated Statements of Operations
Share based compensation	$ 269	$ 319	$ 894	$ 948