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v2.4.1.9

Fair Value Measurements (Details) (USD $) In Millions, unless otherwise specified | Mar. 31, 2015 | Dec. 31, 2014
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Senior Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Notes, fair value | $ 401.3 us-gaap_LiabilitiesFairValueDisclosure / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember | $ 398.4 us-gaap_LiabilitiesFairValueDisclosure / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember
Stated percentage | 6.875%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |
Sealy notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Notes, fair value | $ 111.8 us-gaap_LiabilitiesFairValueDisclosure / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember | $ 110.7 us-gaap_LiabilitiesFairValueDisclosure / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember
Stated percentage | 8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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