Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v2.4.0.8
Income Taxes (Details) (USD $)
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Deferred Tax Provision Benefit [Line Items]    
Total deferred tax provision (benefit) $ (17,054,000) $ 48,565,000
Provision for income taxes 52,097,000 55,129,000
Gross Unrecognized Tax Benefits Reconcilement [Line Items]    
Unrecognized Tax Benefits, Ending Balance 0  
Provision (benefit) for income taxes reconcilement    
Provision for income taxes 52,097,000 55,129,000
Income Taxes Textuals [Abstract]    
Total interest accrued on the unrecognized tax benefits $ 0