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Commitments and Contingencies (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Dec. 31, 2015
Operating lease obligations [Abstract] |  |  |
Lease and rental expense included in costs and expenses | $ 28.5 | $ 22.4 |
Litigation matters [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Litigation accruals on an undiscounted basis | 2.6 |  | $ 4.6
Litigation matters [Member] | ETP Lawsuit [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Loss contingency, damages awarded | 319.4 |  |
Loss contingency, total damages sought | 535.8 |  |
Loss contingency, disgorgement damages sought | 150.0 |  |
Prejudgment interest | $ 66.4 |  |
Post-judgment interest rate (in hundredths) | 5.00% |  |

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- Definition The rate at which interest will accrue on legal award after the judgment has been entered by the court. + References No definition available. + Details
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- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
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