| **Commitments and Contingencies (Tables)**              | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
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| **Commitments and Contingencies Disclosure [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| Schedule Of Future Minimum Lease Payments               | A summary of future minimum lease payments follows (amounts in thousands):Years ending December 31:Operating Capital2014$37,163 11,758201531,358 11,734201627,636 11,745201722,120 11,723201819,996 11,7302019 and thereafter66,020 43,297Total minimum lease payments$204,293 101,987Less amount representing interest  27,381Less current maturity of obligations under capital leases  6,465Long-term obligations under capital leases, excluding current maturity  $68,141 |

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| - Definition
Tabular disclosure of future minimum lease payments as of the date of the latest balance sheet presented, in aggregate and for each of the five years succeeding fiscal years, with separate deductions from the total for the amount representing executor costs, including any profit thereon, included in the minimum lease payments and for the amount of the imputed interest necessary to reduce the net minimum lease payments to present value.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737
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