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Guarantor/Non-Guarantor Financial Information - Narrative (Details) - USD ($)
Jun. 30, 2019
Dec. 31, 2018
2023 Senior Notes    
Debt Instrument [Line Items]    
Senior notes $ 450,000,000.0 $ 450,000,000.0
2026 Senior Notes    
Debt Instrument [Line Items]    
Senior notes $ 600,000,000.0 $ 600,000,000.0
Tempur Sealy International, Inc. (Ultimate Parent) | Tempur Sealy International, Inc. (Ultimate Parent)    
Debt Instrument [Line Items]    
Ownership percentage by parent (in hundredths) 100.00%