Stock Options and Restricted Stock Awards (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Stock-based compensation expense
Stock-based compensation expense	$ 10,928	$ 7,442	$ 5,165
Restricted Stock Awards
Stock-based compensation expense
Stock-based compensation expense	8,982	6,126	3,800
Employee Stock Purchase Plan
Stock-based compensation expense
Stock-based compensation expense	1,176	649	696
Restricted Stock Units
Stock-based compensation expense
Stock-based compensation expense	770	667	669
Cost of Goods Sold
Stock-based compensation expense
Stock-based compensation expense	667	427	296
Cost of Goods Sold | Restricted Stock Awards
Stock-based compensation expense
Stock-based compensation expense	576	392	256
Cost of Goods Sold | Employee Stock Purchase Plan
Stock-based compensation expense
Stock-based compensation expense	91	35	40
Cost of Goods Sold | Restricted Stock Units
Stock-based compensation expense
Stock-based compensation expense	0	0	0
Selling, General and Administrative
Stock-based compensation expense
Stock-based compensation expense	9,171	6,217	4,395
Selling, General and Administrative | Restricted Stock Awards
Stock-based compensation expense
Stock-based compensation expense	7,403	4,954	3,105
Selling, General and Administrative | Employee Stock Purchase Plan
Stock-based compensation expense
Stock-based compensation expense	998	596	621
Selling, General and Administrative | Restricted Stock Units
Stock-based compensation expense
Stock-based compensation expense	770	667	669
Research and Development
Stock-based compensation expense
Stock-based compensation expense	1,090	798	474
Research and Development | Restricted Stock Awards
Stock-based compensation expense
Stock-based compensation expense	1,003	780	439
Research and Development | Employee Stock Purchase Plan
Stock-based compensation expense
Stock-based compensation expense	87	18	35
Research and Development | Restricted Stock Units
Stock-based compensation expense
Stock-based compensation expense	$ 0	$ 0	$ 0