| **Income Taxes (Reconciliation Of Unrecognized Tax Benefits) (Details) (USD $)** | 12 Months Ended |
|----------------------------------------------------------------------------------|-----------------|
||
| **Income Tax Disclosure [Abstract]**                                             |            |   |   |
| Income Tax Examination, Penalties and Interest Expense                           | $ 100,000       | $ 0 | $ (100,000) |
| Unrecognized tax benefits, beginning balance                                     | 26,205,000      | 26,271,000 | 26,573,000 |
| Additions based on tax positions related to the current year                     | 21,082,000      | 0 | 0 |
| Additions for tax positions of prior years                                       | 0               | 0 | 0 |
| Reductions for tax positions of prior years                                      | 0               | 0 | 0 |
| Lapse of statute of limitations                                                  | (314,000)       | (66,000) | (302,000) |
| Settlements                                                                      | 0               | 0 | 0 |
| Unrecognized tax benefits, ending balance                                        | $ 46,973,000    | $ 26,205,000 | $ 26,271,000 |

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| - Definition
The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.
+ References
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| - Definition
Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.
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| - Definition
Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.
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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.
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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.
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| - Definition
Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.
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