Stock-Based Compensation - Stock Option Activity (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2016 USD ($) $ / shares shares	Jun. 30, 2015 USD ($) $ / shares shares	Jun. 30, 2014 $ / shares
Stock Options
Stock options activity
Outstanding, beginning of period (in shares) | shares	1,214,257
Granted (in shares) | shares	428,083
Exercised (in shares) | shares	(201,706)
Cancelled / Forfeited (in shares) | shares	(126,492)
Outstanding, end of period (in shares) | shares	1,314,142	1,214,257
Vested and exercisable, end of period (in shares) | shares	836,756
Vested and expected to vest, end of period (in shares) | shares	1,265,478
Weighted Average Exercise Price
Outstanding, beginning of period (in dollars per share) | $ / shares	$ 27.25
Granted (in dollars per share) | $ / shares	42.66	$ 42.66	$ 33.06
Exercised (in dollars per share) | $ / shares	19.44
Cancelled / Forfeited (in dollars per share) | $ / shares	37.61
Outstanding, end of period (in dollars per share) | $ / shares	32.47	$ 27.25
Vested and exercisable, end of period (in dollars per share) | $ / shares	27.46
Vested and expected to vest, end of period (in dollars per share) | $ / shares	$ 32.10
Weighted Average Remaining Contractual Term
Outstanding, end of period	7 years 2 months 24 days	7 years 3 months 4 days
Vested and exercisable, end of period	6 years 4 months 26 days
Vested and expected to vest, end of period	7 years 2 months 6 days
Aggregate Intrinsic Value
Outstanding, beginning of period | $	$ 22,232
Outstanding, end of period | $	12,340	$ 22,232
Vested and exercisable, end of period | $	11,485
Vested and expected to vest, end of period | $	$ 12,280
Restricted Stock Units
Restricted stock units activity
Outstanding, beginning of period (in shares) | shares	542,432
Granted (in shares) | shares	422,120
Settled (in shares) | shares	(341,496)
Cancelled / Forfeited (in shares) | shares	(129,724)
Outstanding, end of period (in shares) | shares	493,332	542,432
Vested and expected to vest (in shares) | shares	443,222
Weighted Average Grant Date Fair Value
Outstanding, beginning of period (in dollars per share) | $ / shares	$ 36.13
Granted (in dollars per share) | $ / shares	41.86	$ 42.65	$ 33.07
Settled (RSUs) (in dollars per share) | $ / shares	35.74
Cancelled / Forfeited (in dollars per share) | $ / shares	37.09
Outstanding, end of period (in dollars per share) | $ / shares	$ 41.06	$ 36.13
Vested and expected to vest, end of period (in dollars per share) | $ / shares	40.97