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Debt (Carrying And Principal Values Of Debt) (Details) (USD $) |  |  | 0 Months Ended | 9 Months Ended |  | 0 Months Ended | 9 Months Ended |  | 0 Months Ended | 9 Months Ended |  | 0 Months Ended | 9 Months Ended |  | 0 Months Ended | 9 Months Ended |  | 0 Months Ended | 9 Months Ended |  | 0 Months Ended | 9 Months Ended |  | 0 Months Ended | 9 Months Ended |  | 0 Months Ended | 9 Months Ended |  | 0 Months Ended | 9 Months Ended |  | 0 Months Ended | 9 Months Ended |  | 9 Months Ended |  | 9 Months Ended |  | 9 Months Ended |  | 9 Months Ended |  | 0 Months Ended | 9 Months Ended |
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Sep. 30, 2014 | Dec. 31, 2013 | Apr. 29, 2009 4.0% Convertible Senior Notes [Member] | Sep. 30, 2014 4.0% Convertible Senior Notes [Member] | Dec. 31, 2013 4.0% Convertible Senior Notes [Member] | Jul. 24, 2009 8.25% Senior Notes [Member] | Sep. 30, 2014 8.25% Senior Notes [Member] | Dec. 31, 2013 8.25% Senior Notes [Member] | Sep. 28, 2012 5.625% Senior Notes [Member] | Sep. 30, 2014 5.625% Senior Notes [Member] | Dec. 31, 2013 5.625% Senior Notes [Member] | Jul. 13, 2012 5.75% Senior Notes [Member] | Sep. 30, 2014 5.75% Senior Notes [Member] | Dec. 31, 2013 5.75% Senior Notes [Member] | Jul. 01, 2014 4.875% Senior Notes [Member] | Sep. 30, 2014 4.875% Senior Notes [Member] | Jul. 01, 2014 4.875% Senior Notes [Member] | Apr. 16, 2010 4.254% 2010-1 Tower Securities [Member] | Sep. 30, 2014 4.254% 2010-1 Tower Securities [Member] | Dec. 31, 2013 4.254% 2010-1 Tower Securities [Member] | Apr. 16, 2010 5.101% 2010-2 Tower Securities [Member] | Sep. 30, 2014 5.101% 2010-2 Tower Securities [Member] | Dec. 31, 2013 5.101% 2010-2 Tower Securities [Member] | Aug. 09, 2012 2.933% 2012-1 Tower Securities [Member] | Sep. 30, 2014 2.933% 2012-1 Tower Securities [Member] | Dec. 31, 2013 2.933% 2012-1 Tower Securities [Member] | Apr. 18, 2013 2.240% 2013-1C Tower Securities [Member] | Sep. 30, 2014 2.240% 2013-1C Tower Securities [Member] | Dec. 31, 2013 2.240% 2013-1C Tower Securities [Member] | Apr. 18, 2013 3.722% 2013-2C Tower Securities [Member] | Sep. 30, 2014 3.722% 2013-2C Tower Securities [Member] | Dec. 31, 2013 3.722% 2013-2C Tower Securities [Member] | Apr. 18, 2013 3.598% 2013-1D Tower Securities [Member] | Sep. 30, 2014 3.598% 2013-1D Tower Securities [Member] | Dec. 31, 2013 3.598% 2013-1D Tower Securities [Member] | Sep. 30, 2014 Revolving Credit Facility [Member] | Dec. 31, 2013 Revolving Credit Facility [Member] | Sep. 30, 2014 2011 Term Loan [Member] | Dec. 31, 2013 2011 Term Loan [Member] | Sep. 30, 2014 2012-1 Term Loan [Member] | Dec. 31, 2013 2012-1 Term Loan [Member] | Sep. 30, 2014 2012-2 Term Loan [Member] | Dec. 31, 2013 2012-2 Term Loan [Member] | Feb. 07, 2014 2014 Term Loan [Member] | Sep. 30, 2014 2014 Term Loan [Member] | Dec. 31, 2013 2014 Term Loan [Member] | Dec. 31, 2013 BNDES Loans [Member]
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal Balance | $ 7,559,568,000 | $ 5,910,041,000 |  | $ 367,068,000 | $ 499,944,000 |  |  | $ 243,750,000 |  | $ 500,000,000 | $ 500,000,000 |  | $ 800,000,000 | $ 800,000,000 |  | $ 750,000,000 |  |  | $ 680,000,000 | $ 680,000,000 |  | $ 550,000,000 | $ 550,000,000 |  | $ 610,000,000 | $ 610,000,000 |  | $ 425,000,000 | $ 425,000,000 |  | $ 575,000,000 | $ 575,000,000 |  | $ 330,000,000 | $ 330,000,000 | $ 300,000,000 | $ 215,000,000 |  | $ 180,529,000 | $ 176,250,000 | $ 185,000,000 |  | $ 109,971,000 |  | $ 1,496,250,000 |  | $ 5,847,000
Carrying Value | 7,550,088,000 | 5,876,607,000 |  | 367,068,000 | 468,394,000 |  |  | 242,387,000 |  | 500,000,000 | 500,000,000 |  | 800,000,000 | 800,000,000 |  | 743,992,000 |  |  | 680,000,000 | 680,000,000 |  | 550,000,000 | 550,000,000 |  | 610,000,000 | 610,000,000 |  | 425,000,000 | 425,000,000 |  | 575,000,000 | 575,000,000 |  | 330,000,000 | 330,000,000 | 300,000,000 | 215,000,000 |  | 180,234,000 | 176,250,000 | 185,000,000 |  | 109,745,000 |  | 1,492,778,000 |  | 5,847,000
Less: current maturities of long-term debt | (1,078,318,000) | (481,886,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total long-term debt, net of current maturities | $ 6,471,770,000 | $ 5,394,721,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, maturity date |  |  | Oct. 01, 2014 | Oct. 01, 2014 |  | Aug. 15, 2019 | Aug. 15, 2019 |  | Oct. 01, 2019 | Oct. 01, 2019 |  | Jul. 15, 2020 | Jul. 15, 2020 |  | Jul. 15, 2022 | Jul. 15, 2022 |  | Apr. 16, 2040 | Apr. 15, 2015 |  | Apr. 15, 2042 | Apr. 17, 2017 |  | Dec. 15, 2042 | Dec. 15, 2017 |  | Apr. 15, 2043 | Apr. 16, 2018 |  | Apr. 15, 2048 | Apr. 17, 2023 |  | Apr. 15, 2043 | Apr. 16, 2018 |  | May 09, 2017 |  | Jun. 30, 2018 |  | May 09, 2017 |  | Sep. 28, 2019 |  | Mar. 24, 2021 | Mar. 24, 2021 |  |
Debt instrument, interest rate, stated percentage |  |  | 4.00% | 4.00% |  | 8.25% | 8.25% |  | 5.625% | 5.625% |  | 5.75% | 5.75% |  |  | 4.875% | 4.875% | 4.254% | 4.254% |  | 5.101% | 5.101% |  | 2.933% | 2.933% |  | 2.24% | 2.24% |  | 3.722% | 3.722% |  | 3.598% | 3.598% |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
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