Stock-based Compensation - Fair Value Assumptions and Expense (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Risk-free interest rate		2.56%	0.26%
Risk-free interest rate, minimum	0.53%		0.53%	2.56%
Risk-free interest rate, maximum	1.49%		1.72%	2.97%
Expected term	6 years 3 months 7 days	6 years 18 days	6 years 3 months 7 days	6 years 18 days
Dividend yield	0.00%	0.00%	0.00%	0.00%
Volatility		50.25%	53.80%
Volatility, minimum	49.61%		49.61%	47.34%
Volatility, maximum	50.46%		50.46%	50.25%
Weighted-average fair value (in dollars per share)	$ 10.15	$ 7.55	$ 9.50	$ 8.56
Share-based Payment Arrangement, Additional Disclosure [Abstract]
Stock-based compensation expense before taxes	$ 4,805	$ 4,960	$ 14,823	$ 16,081
Income tax impact	(2,978)	(1,016)	(5,142)	(3,339)
Stock-based compensation expense, net	1,827	3,944	9,681	12,742
Employee stock option
Share-based Payment Arrangement, Additional Disclosure [Abstract]
Unrecognized compensation cost related to non-vested stock-based awards	6,500		$ 6,500
Unrecognized compensation cost related to non-vested stock based awards, period for recognition (in years)			2 years 3 months 25 days
Restricted stock units (RSUs)
Share-based Payment Arrangement, Additional Disclosure [Abstract]
Unrecognized compensation cost related to non-vested stock-based awards	34,200		$ 34,200
Unrecognized compensation cost related to non-vested stock based awards, period for recognition (in years)			2 years 7 months 17 days
Performance-Based Restricted Stock Units (PRSUs)
Share-based Payment Arrangement, Additional Disclosure [Abstract]
Unrecognized compensation cost related to non-vested stock-based awards	700		$ 700
Unrecognized compensation cost related to non-vested stock based awards, period for recognition (in years)			1 year 14 days
Cost of sales
Share-based Payment Arrangement, Additional Disclosure [Abstract]
Stock-based compensation expense before taxes	370	390	$ 1,149	1,256
Research and development
Share-based Payment Arrangement, Additional Disclosure [Abstract]
Stock-based compensation expense before taxes	3,043	3,107	9,299	9,816
Sales and marketing
Share-based Payment Arrangement, Additional Disclosure [Abstract]
Stock-based compensation expense before taxes	417	418	1,276	1,359
General and administrative
Share-based Payment Arrangement, Additional Disclosure [Abstract]
Stock-based compensation expense before taxes	$ 975	$ 1,045	$ 3,099	$ 3,650