Guarantor/Non-Guarantor Financial Information - Narrative (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
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

Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_SeniorLongTermNotes
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant