Income Taxes - Narrative (Details) - USD ($)	3 Months Ended	12 Months Ended
	Sep. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Operating loss carryforwards disclosures
Tax charge due to change in business strategy related to foreign subsidiaries	$ 2,800,000
Reduction in valuation allowance amount		$ 200,000
Amount of future tax benefits		5,000,000
Undistributed earnings of foreign subsidiaries		106,500,000
Unrecognized tax benefits that, if recognized would affect the entity's effective tax rate		0	$ 0	$ 0
Income tax benefits related to interest and benefit		0	0	$ 600,000
Accrued income taxes for interest and penalties		0	$ 0
State
Operating loss carryforwards disclosures
Net operating loss carryforwards expiring between 2015 and 2033		$ 325,200,000