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Income Taxes (Details) (USD $)
3 Months Ended 9 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Mar. 31, 2012
Mar. 31, 2011
Income Taxes [Abstract]        
Income tax (benefit) expense, net $ (119,125,000) $ 10,321,000 $ (81,522,000) $ 24,604,000
Effective tax rate (222.50%) 22.00% (41.00%) 17.40%
Deferred tax assets 365,600,000   365,600,000  
Valuation allowance against deferred tax assets 124,200,000   124,200,000  
Unrecognized tax benefits 32,800,000   32,800,000  
Interest related to unrecognized tax benefit     1,100,000  
Unrecognized tax benefit that would affect the tax rate if recognized 1,700,000   1,700,000  
Tax reserves on uncertain tax positions 400,000   1,300,000  
Additional interest expense on uncertain tax positions $ 100,000   $ 200,000