Share-based Compensation - RSU & ESPP (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Employee Stock Purchase Plan
Company's common stock authorized for issuance under the ESPP (in shares)	4,500
Restricted stock
Stock Options and Restricted Stock
Annual forfeiture rate used to calculate compensation expense (as a percent)	6.50%	6.50%
Awards
Non-vested at the beginning of the period (in shares)	167
Granted (in shares)	290
Vested (in shares)	(80)
Forfeited (in shares)	(35)
Non-vested at the end of the period (in shares)	342
Weighted Average Grant-date Fair Value
Non-vested at the beginning of the period (in dollars per share)	$ 48.22
Granted (in dollars per share)	24.86
Vested (in dollars per share)	43.52
Forfeited (in dollars per share)	34.10
Non-vested at the end of the period (in dollars per share)	$ 30.89
Aggregate Intrinsic Value
Vested	$ 2,416
Employee stock purchase plan
Employee Stock Purchase Plan
Purchase price lower of the fair market value of the common stock on the first day of the calendar quarter or the last day of the calendar quarter (as a percent)	85.00%
Percentage of the compensation authorized by the employee to be withheld	10.00%
Company's common stock authorized for issuance under the ESPP (in shares)	1,100
Shares issued under the ESPP (in shares)	15	30
Cumulative shares issued under the ESPP (in shares)	527