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Commitments And Contingencies (Leases) (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Mar. 31, 2007
Commitments and Contingencies Disclosure [Abstract] |  |  |  |
Operating Leases, 2012 | $ 14,931,000 |  |  |
Operating Leases, 2013 | 11,202,000 |  |  |
Operating Leases, 2014 | 7,810,000 |  |  |
Operating Leases, 2015 | 6,487,000 |  |  |
Operating Leases, 2016 | 3,626,000 |  |  |
Operating Leases, Thereafter | 5,557,000 |  |  |
Operating Leases, Future Minimum Payments Due, Total | 49,613,000 |  |  |
Minimum Sublease Income, 2012 | 309,000 |  |  |
Minimum Sublease Income, 2013 | 139,000 |  |  |
Minimum Sublease Income, 2014 | 0 |  |  |
Minimum Sublease Income, 2015 | 0 |  |  |
Minimum Sublease Income, 2016 | 0 |  |  |
Minimum Sublease Income, Thereafter | 0 |  |  |
Minimum Sublease Income, Total minimum lease payments | 448,000 |  |  |
Operating Leases Net, 2012 | 14,622,000 |  |  |
Operating Leases Net, 2013 | 11,063,000 |  |  |
Operating Leases Net, 2014 | 7,810,000 |  |  |
Operating Leases Net, 2015 | 6,487,000 |  |  |
Operating Leases Net, 2016 | 3,626,000 |  |  |
Operating Leases Net, Thereafter | 5,557,000 |  |  |
Operating Leases Net, Total minimum lease payments | 49,165,000 |  |  |
Rental expense | 26,700,000 | 27,100,000 | 24,600,000 |
Airplane Operating Lease Period Years |  |  |  | 7 years
Airplane, fair value |  |  |  | 22,100,000
Residual value guarantee liability | $ 5,200,000 |  |  | $ 14,100,000

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- Definition Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b(i) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 + Details
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- Definition Tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software, net of accumulated depreciation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 33 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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