XML 32 R109.htm IDEA: XBRL DOCUMENT v2.4.0.6
Income Taxes (Schedule Of The Reconciliation Of The Statutory Federal Income Tax Rate With Our Company's Effective Income Tax Rate) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Income Taxes [Abstract]      
Statutory rate $ 79,055 $ 48,512 $ (80)
State income taxes, net of federal income tax 11,766 7,288 (845)
Change in valuation allowance 3,760 (4,180) (767)
Revaluation of deferred taxes (8,788) 1,685  
Other, net 1,506 1,169 (444)
Income Tax Expense (Benefit), Total $ 87,299 $ 54,474 $ (2,136)