Short-term and Long-term Debt Obligations - Covenant Compliance (Details)	9 Months Ended
	Mar. 31, 2017 USD ($) consecutive_quarter	Jun. 30, 2016 USD ($) building
Bank of America | Bank of America 2016 Credit Agreement
Debt Instrument [Line Items]
Number of consecutive fiscal quarters with net operating loss | consecutive_quarter	2
Consolidated leverage ratio	2.00
Domestic unencumbered liquid assets market value	$ 40,000,000
Bank of America | Bank of America 2016 Credit Agreement | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Collateral amount	1,049,629,000	$ 934,625,000
Bank of America | Bank of America 2016 Credit Agreement | Term Loan | Secured Debt
Debt Instrument [Line Items]
Collateral amount	97,625,000	$ 59,258,000
Number of buildings as collateral | building		7
CTBC Bank | CTBC 2016 Facility | Term Loan | Secured Debt
Debt Instrument [Line Items]
Collateral amount	$ 26,523,000	$ 26,804,000