Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

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Income Taxes (Details) (USD $)
3 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Operating Loss Carryforwards    
Income before income taxes $ 99,007,000 $ 139,864,000
Provision for income taxes 26,774,000 28,667,000
Effective tax rate 27.00% 20.50%
Estimated effective tax rate for the fiscal year ending June 30, 2015 23.80%  
Unrecognized tax benefits, reduction in next twelve months resulting from lapse of applicable statute of limitations 11,600,000  
U.S. Federal Research Tax Credit
   
Operating Loss Carryforwards    
Increase (Decrease) in income taxes   (4,600,000)
Non-Taxable Executive Deferred Savings Plan
   
Operating Loss Carryforwards    
Increase (Decrease) in income taxes $ 800,000 $ (2,700,000)