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Guarantor/Non-Guarantor Financial Information - Narrative (Details) - USD ($) | Jun. 30, 2018 | Dec. 31, 2017
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Tempur Sealy International, Inc. (Ultimate Parent) |  |
Debt Instrument [Line Items] |  |
Ownership percentage by parent (in hundredths) | 100.00% |
2023 Senior Notes |  |
Debt Instrument [Line Items] |  |
Senior notes | $ 450,000,000.0 | $ 450,000,000
2026 Senior Notes |  |
Debt Instrument [Line Items] |  |
Senior notes | $ 600,000,000 | $ 600,000,000

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