Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016	Jun. 30, 2016
Deferred tax assets:
Income tax expense (benefit)	$ 7,337	$ (2,743)	$ (2,003)	$ 20,270
Effective income tax rate (as a percent)	33.00%	33.40%	24.20%	32.90%
Unrecognized tax benefits cumulative interest and penalties recorded	$ 0		$ 0
Other liabilities
Deferred tax assets:
Unrecognized tax benefits	$ 6,300		$ 6,300		$ 6,200