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Income Taxes (Narrative) (Details) (USD $)
Dec. 31, 2011
Jun. 30, 2011
Schedule Of Income Tax [Line Items]    
Interest accrued $ 16,059,000 $ 10,290,000
Penalties accrued 7,873,000 15,771,000
Decrease in gross unrecognized tax benefit in next 12 months 3,000,000  
Acquisition Of Global 360 [Member]
   
Schedule Of Income Tax [Line Items]    
Interest accrued 100,000  
Penalties accrued