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Income Taxes - Valuation allowance for deferred tax assets (Details 5) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2013
Income Tax Disclosure [Abstract]      
Balance at beginning of period $ 32,892 $ 27,753 $ 36,763
Provision for income taxes (6,270) 5,139 2,059
Permanent adjustment for Other Comprehensive Income     (2,016)
Acquisition related adjustment     (9,053)
Balance at end of period $ 26,622 $ 32,892 $ 27,753