XML 118 R108.htm IDEA: XBRL DOCUMENT v2.4.0.6
Income Taxes (Income Tax Expense (Benefit)) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Current income taxes:                      
Federal                 $ 74,109 $ 40,312 $ 46,169
State                 16,224 10,785 7,281
Foreign                 1,918 0 0
Total current income taxes                 92,251 51,097 53,450
Deferred income taxes:                      
Federal                 (19,550) (555) (14,233)
State                 (4,206) (84) (1,739)
Foreign                 441 0 0
Total deferred income taxes                 (23,315) (639) (15,972)
Total income tax expense $ 18,782 $ 19,871 $ 15,734 $ 14,549 $ 12,753 $ 19,844 $ 7,215 $ 10,646 $ 68,936 $ 50,458 $ 37,478