v2.4.0.6
Long-Term Obligations (Narrative) (Details) (USD $)
 9 Months Ended
Mar. 31, 2012
M
Jun. 30, 2011
Lease Commitments And Notes Payable [Line Items]    
Equipment lease line, payment term, months 36  
Amount of purchase option at the end of the term under equipment lease $ 1  
Line of credit expiration date December 2012  
Notes payable, maximum interest rates range 6.10%  
Notes payable, payment terms, years 3  
Balance of notes payable 2,300,000 3,700,000
Computer Equipment [Member]
    
Lease Commitments And Notes Payable [Line Items]    
Cost of capital leases 87,800,000 61,200,000
Accumulated depreciation $ 56,500,000 $ 43,700,000
Minimum [Member]
    
Lease Commitments And Notes Payable [Line Items]    
Equipment lease line, interest rates 2.62%  
Maximum [Member]
    
Lease Commitments And Notes Payable [Line Items]    
Equipment lease line, interest rates 6.24%  
PNC Equipment Finance, LLC [Member]
    
Lease Commitments And Notes Payable [Line Items]    
Line of credit expiration date August 2012