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Income Taxes (Details 2)
12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
Reconciliation of income taxes computed at the U.S. Federal income tax rate to the Company's effective income tax rate      
Statutory federal income tax rate (as a percent) 35.00% 35.00% 35.00%
State income taxes, net of federal tax benefit (as a percent) 2.20% 2.90% (13.50%)
Domestic manufacturing deduction (as a percent) (2.30%) (3.40%) (13.70%)
Research and development tax credit (as a percent) (0.60%) (3.70%) (6.00%)
Foreign tax rate differential (as a percent) (0.60%) (1.70%) (10.70%)
Nontaxable income (as a percent)   (0.60%) (27.30%)
Foreign source income (as a percent)   (7.30%)  
Increases (decreases) in valuation allowances (as a percent) 0.10% (0.20%) 7.90%
Adjustments of prior years' income taxes (as a percent) (0.50%) (2.60%) 57.80%
Changes in uncertain tax positions, net (as a percent) 0.40% (0.40%) (104.80%)
Healthcare reform (as a percent)     126.90%
Other, net (as a percent) 1.80% 0.30% 3.70%
Effective income tax rate (as a percent) 35.50% 18.30% 55.30%