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Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended |  |  | 9 Months Ended
--- | --- | --- | --- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 New Lease Agreements [Member] | Sep. 30, 2014 Litigation matters [Member] | Dec. 31, 2013 Litigation matters [Member] | Sep. 30, 2014 Litigation matters [Member] ETP Lawsuit [Member]
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Litigation accruals on an undiscounted basis |  |  |  |  |  | $ 2.5 | $ 3.7 |
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%
Operating lease obligations [Abstract] |  |  |  |  |  |  |  |
Lease and rental expense included in costs and expenses | 23.5 | 19.6 | 69.2 | 64.9 |  |  |  |
Contractual obligation [Line Items] |  |  |  |  |  |  |  |
Total lease commitments over the next five years |  |  |  |  | 39 |  |  |
Total lease commitments |  |  |  |  | $ 150 |  |  |

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- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter related to disgorgement. + References No definition available. + Details
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- Definition Total amount of required minimum rental payments over the next five years. + References No definition available. + Details
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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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- Definition Amount of damages awarded to the plaintiff in the legal matter. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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- Definition Amount of required minimum rental payments for 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 Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 Reference 2: 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 + Details
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