Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Narrative) (Details)

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Income Taxes (Narrative) (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Income Tax Disclosure [Abstract]    
Income Tax Expense (Benefit) $ 15,987,000 $ 19,325,000
Effective Income Tax Rate, Continuing Operations 39.80% 38.00%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount $ 3,100,000