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Short-term and Long-term Obligations - Covenant Compliance (Details) | 9 Months Ended |
--- | --- | ---
Mar. 31, 2016 USD ($) consecutive_quarter building | Jun. 30, 2015 USD ($)
Bank of America | Bank of America Credit Agreement |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Credit Terms for Line of Credit and Term Loans | consecutive_quarter | 2 |
Bank of America | Term Loan |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Collateral Amount | $ 17,181,000 | $ 17,354,000
Number of buildings as collateral | building | 3 |
Line of Credit | Revolving Credit Facility | Bank of America |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Collateral Amount | $ 1,137,023,000 | 1,045,408,000
Term Loan | CTBC Bank | CTBC 2014 Facility |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Collateral Amount | $ 26,909,000 | $ 27,047,000
Minimum | Bank of America | Bank of America Credit Agreement |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Credit Terms for Line of Credit and Term Loans, Ratio | 2.00 |
Debt Instrument, Credit Terms for Line of Credit and Term Loans, Market Value | $ 30,000,000 |

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