Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Income Tax Disclosure [Abstract]
Effective income tax rate (as a percent)	30.40%	30.50%	33.50%	33.50%
Excess tax benefits from stock-based compensation			$ 2,344	$ 1,878