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Debt (Schedule of Loss on Debt Extinguishment) (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2017 | Mar. 31, 2016
Extinguishment of Debt [Line Items] |  |
Loss on debt extinguishment | $ 2.6 | $ (14.1)
Financing Agreement, April 2014 [Member] |  |
Extinguishment of Debt [Line Items] |  |
Loss on debt extinguishment | 1.1 |
Financing Arrangement, February 2017 [Member] |  |
Extinguishment of Debt [Line Items] |  |
Debt issuance costs | 4.7 |
Loss on debt extinguishment | 1.5 |
Long-term Debt [Member] | Financing Arrangement, February 2017 [Member] |  |
Extinguishment of Debt [Line Items] |  |
Debt issuance costs | 3.2 |
Discharge of Debt [Member] | Financing Arrangement, February 2017 [Member] |  |
Extinguishment of Debt [Line Items] |  |
Debt issuance costs | $ 1.5 |

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- Definition Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees). + References No definition available. + Details
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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12355-112629 + Details
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