v2.4.0.6
Basis of Presentation (Details 2) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Jun. 30, 2012
Mar. 31, 2012
Jun. 30, 2011
Components of cash and cash equivalents consisted of:        
Total $ 47,680 $ 91,452 $ 90,787 $ 55,619
Cash in bank
       
Components of cash and cash equivalents consisted of:        
Total 47,569 47,402    
Money market
       
Components of cash and cash equivalents consisted of:        
Total 111 34,063    
Commercial paper
       
Components of cash and cash equivalents consisted of:        
Total   $ 9,987