Benefit Plans - ESPP Information (Details) - USD ($) shares in Thousands, $ in Thousands			3 Months Ended		9 Months Ended
	Jan. 01, 2017	Nov. 15, 2016	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Equity Incentive Plans
Compensation expense (in dollars)			$ 6,247	$ 4,720	$ 18,695	$ 13,212
Employee stock purchase plan shares
Equity Incentive Plans
Percentage of employee compensation, maximum			10.00%		10.00%
Percentage of fair market value as a purchase price					85.00%
Value of purchase per employee, maximum (in dollars)					$ 25
Number of shares per employee, maximum					2
Period during which shares can be purchased (in years)					1 year
Number of shares of common stock reserved for issuance			888		888
Actual increase in number of shares reserved for issuance	0
Potential number of additional shares reserved for issuance each year					600
Potential percentage of additional number of shares reserved for issuance each year					0.75%
Number of shares issued		64
Compensation expense (in dollars)			$ 304	$ 283	$ 967	$ 791
Valuation assumptions:
Expected dividend yield					0.00%	0.00%
Expected term (years)					6 months	6 months
Employee stock purchase plan shares | Minimum
Valuation assumptions:
Expected volatility					38.90%	44.10%
Risk-free interest rate					0.28%	0.11%
Employee stock purchase plan shares | Maximum
Equity Incentive Plans
Offering period					27 months
Valuation assumptions:
Expected volatility					53.40%	48.40%
Risk-free interest rate					0.61%	0.31%