Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Income Tax Disclosure [Abstract]
Income tax (benefit) expense	$ 5,357	$ 2,209	$ 12,969	$ (4,837)
(Loss) income from operations before income taxes	19,466	5,905	46,940	25,945
Excess tax benefits on stock-based compensation	$ 143	$ 96	1,858	$ 7,675
Deferred tax assets, effect of Tax Cuts and Jobs Act, tax expense (benefit)			$ 1,711