Legal and Regulatory Matters (Details) $ in Thousands		9 Months Ended
	Apr. 16, 2013 USD ($) a	Mar. 31, 2016 item
Breach of agreements
Contingencies
Severance compensation, period	18 months
Estimated aggregate value of claimed severance benefits, minimum | $	$ 350
Estimated aggregate value of claimed severance benefits, maximum | $	$ 400
Amount as a percentage of value of land that Mr. Asherman seeks to have in the matter	50.00%
Area of land | a	1.66
AWP Litigation
Contingencies
Number of lawsuits filed | item		2
Private Antitrust Litigation
Contingencies
Number of lawsuits filed | item		4