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Supplemental Cash Flow Information (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Supplemental Cash Flow Information [Abstract] |  |  |  |  |  |
Cash paid for interest | $ 78.1us-gaap_InterestPaid |  | $ 110.7us-gaap_InterestPaid |  | $ 130.6us-gaap_InterestPaid |
Cash paid for income taxes, net of refunds | 103.9us-gaap_IncomeTaxesPaidNet | [1] | 111.8us-gaap_IncomeTaxesPaidNet | [1] | 95.7us-gaap_IncomeTaxesPaidNet | [1]
Proceeds from Income Tax Refunds | $ 21.3us-gaap_ProceedsFromIncomeTaxRefunds |  | $ 15.0us-gaap_ProceedsFromIncomeTaxRefunds |  | $ 23.5us-gaap_ProceedsFromIncomeTaxRefunds |
[1] | Refunds of $21.3, $15.0 and $23.5 were received for the years ended December 31, 2014, 2013 and 2012, respectively.

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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 + Details
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- Definition The amount of cash paid for interest during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- Definition The amount of cash received during the period as refunds for the overpayment of taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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