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Debt (Tables) | 3 Months Ended
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Mar. 31, 2017
Debt Disclosure [Abstract] |
Schedule of Extinguishment of Debt | The Exchange Offers resulted in the tender of $649.5 million aggregate principal amount of our outstanding notes that were settled and exchanged as follows (in millions):
|  | Aggregate Principal Amount Purchased |  | 8.00% Senior notes due 2024 Consideration |  | Cash Consideration(1) |  | Total Consideration
8.50% Senior Notes due 2019 |  | $ | 145.8 |  |  | $ | 81.6 |  |  | $ | 81.7 |  |  | $ | 163.3 |
6.875% Senior Notes due 2020 |  | 129.8 |  |  | 69.3 |  |  | 69.4 |  |  | 138.7 |
4.70% Senior Notes due 2021 |  | 373.9 |  |  | 181.1 |  |  | 181.4 |  |  | 362.5 |
Total |  | $ | 649.5 |  |  | $ | 332.0 |  |  | $ | 332.5 |  |  | $ | 664.5 |
(1) | As of December 31, 2016, the aggregate amount of principal repurchased with cash of $332.5 million, along with associated premiums, was classified as current maturities of long-term debt on our condensed consolidated balance sheet.

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- Definition Tabular disclosure of debt extinguished which may include, amount of gain (loss), the income tax effect and the per share amount of the aggregate gain (loss), net of the related income tax. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7516071&loc=d3e13374-112631 + Details
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