Accounts and Notes Receivable, net - Schedule of Accounts Receivable (Details) - USD ($) $ in Thousands		Sep. 30, 2015	Jun. 30, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Trade receivables		$ 40,949	$ 38,783
Other receivables(1)	[1]	2,711	2,021
Allowance for doubtful accounts		(687)	(643)
Accounts and notes receivable, net		42,973	40,161
Receivable-Northlake facility landlord [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Other receivables(1)		$ 1,100	$ 300

[1] As of September 30, 2015 and June 30, 2015, respectively, includes $1.1 million and $0.3 million in costs incurred by the Company associated with the new facility that are expected to be reimbursed by Lessor under the Lease Agreement.