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Income Taxes (Details 4) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Change in net deferred income tax liability from the preceding table | $ 89,380 |  |
Deferred taxes associated with other comprehensive loss | 9,678 |  |
Deferred taxes associated with discontinued operations | 8,090 |  |
Other | 11,777 |  |
Total Deferred Income Taxes | $ 118,925 | $ 66,585 | $ (169,764)

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