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Income Taxes - Valuation allowance for deferred tax assets (Details 5) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2012
Income Tax Disclosure [Abstract]      
Balance at beginning of period $ 27,753 $ 36,763 $ 30,618
Change in valuation allowance 5,139 2,059 6,145
Permanent adjustment for Other Comprehensive Income    (2,016)   
OGR acquisition adjustments    (9,053)   
Balance at end of period $ 32,892 $ 27,753 $ 36,763