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Stockholders' Equity | 12 Months Ended
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Dec. 31, 2013
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] |
Stockholders' Equity | Stockholders' Equity Common Stock and Preferred Stock Offering On October 28, 2013, the Company completed an offering of 41.4 million shares of common stock, which generated net proceeds of approximately $3.0 billion. On October 28, 2013, the Company completed an offering of approximately 9.8 million shares of the Company's 4.50% Mandatory Convertible Preferred Stock, Series A, par value $0.01 per share ("4.50% Mandatory Convertible Preferred Stock"), which generated net proceeds of $950.9 million. The holders of the 4.50% Mandatory Convertible Preferred Stock are entitled to receive cumulative dividends, when and if declared by the Company's board of directors, at the rate of 4.50% per annum payable on February 1, May 1, August 1 and November 1 of each year, commencing in February 2014, and to, and including, November 1, 2016. The dividends may be paid in cash or, subject to certain limitations, shares of common stock or any combination of cash and shares of common stock. The terms of the 4.50% Mandatory Convertible Preferred Stock provide that, unless accumulated dividends have been paid or set aside for payment on all outstanding 4.50% Mandatory Convertible Preferred Stock for all past dividend periods, no dividends may be declared or paid on common stock. Unless converted earlier, each outstanding share of the 4.50% Mandatory Convertible Preferred Stock will automatically convert on November 1, 2016 into between 1.0811 and 1.3513 shares of common stock, depending on the applicable market value of the common stock and subject to certain anti-dilution adjustments. At any time prior to November 1, 2016, holders of the 4.50% Mandatory Convertible Preferred Stock may elect to convert all or a portion of their shares into common stock at the minimum conversion rate of 1.0811, subject to certain anti-dilution adjustments. On December 31, 2013, the Company announced that the quarterly dividend on 4.50% Mandatory Convertible Preferred Stock will be paid on February 3, 2014 to the holders of record on January 15, 2014, and that dividend will be paid in cash at a rate of $1.1625 per share. The common stock and 4.50% Mandatory Convertible Preferred Stock offerings in October 2013 are collectively referred to herein as the "October Equity Financings." The Company used the proceeds from the October Equity Financings to partially fund the AT&T Acquisition. Announcement of Plan to Initiate Common Stock Dividend On October 21, 2013, the Company announced its expectation to initiate a quarterly dividend on shares of common stock of $0.35 per share beginning in the first quarter of 2014. The declaration, amount, and payment of dividends are subject to the final determination of the Company's board of directors based on then-current and anticipated future conditions, including earnings, net cash provided by operating activities, capital requirements, financial condition, relative market capitalization, existing federal net operating losses, or other factors deemed relevant by the Company's board of directors. See note 20. Purchases of the Company's Common Stock For the years ended December 31, 2013, 2012, and 2011, the Company purchased 1.4 million, 0.7 million, and 7.4 million shares of common stock, respectively, utilizing $99.5 million, $36.0 million, and $303.4 million in cash, respectively.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Article 4 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section C Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(d),(e)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Preferred Stock -URI http://asc.fasb.org/extlink&oid=6521494 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 15: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644 Reference 16: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21488-112644 Reference 17: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644 Reference 18: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph d -Article 4 Reference 19: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 + Details
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