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Income Taxes (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2009
Income Taxes      
Income tax effects allocated directly to equity employee stock options and restricted stock $ 6,183 $ 1,487 $ 1,653
Income taxes paid 34,297 12,335 13,903
U.S. federal statutory rate 35.00% 35.00% 35.00%
Valuation allowances related to carryforward losses and deferred tax assets   7,868  
U.S. foreign tax credit carryforwards 1,552    
U.S. federal tax net operating losses available for carryforward 10,901    
Deferred tax benefits for foreign tax net operating losses 2,291    
Undistributed earnings of foreign subsidiaries 31,864    
Effective tax rate in future periods 1,185    
Recognized interest and penalties 224 113  
Accrued interest and penalties 287 282  
Reduction in reserves for uncertain tax positions   400  
Reduction in reserves due to a lapse of statute of limitations $ 1,000