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Basis of Presentation (Details 2) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Gross profit $ 77,762 $ 64,720  
Income from operations 19,606 9,013  
Net income 12,087 4,795 46,176
Out-of-period adjustment
     
Gross profit 2,300    
Income from operations 2,000    
Net income $ 1,300