Accounts and Notes Receivable, net - Narrative (Details) - USD ($)	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Increase (decrease) in allowance for doubtful accounts	$ (8,000)		$ (757,000)
Provision for Doubtful Accounts		$ 80,000
Allowance for doubtful accounts reclassified to long-term		$ 544,000