Accounts and Notes Receivable, net - Allowance For Doubtful Accounts (Details) - USD ($)	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Allowance for Doubtful Accounts Receivable [Roll Forward]
Beginning Balance	$ (651,000)	$ (1,115,000)	$ (1,872,000)
Recovery	(8,000)		(757,000)
Provision		(80,000)
Reclassification to long-term		544,000
Ending Balance	$ (643,000)	$ (651,000)	$ (1,115,000)