Debt Instrument, Covenant, Leverage Ratio, Consolidated Indebtedness, Letters Of Credit Outstanding

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Debt Instrument, Covenant, Leverage Ratio, Consolidated Indebtedness, Netted Cash

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The maximum allowed domestic and foreign qualified cash that can be excluded from the total net leverage ratio calculation.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Domestic and Foreign Qualified Cash, Maximum Percentage

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Equity Interest Of Subsidiary Guarantor

+ References

No definition available.

+ Details

Name:	tpx_EquityInterestOfSubsidiaryGuarantor
Namespace Prefix:	tpx_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Equity Voting Rights of Subsidiary

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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Period Type:	instant

- Definition

Refers to net leverage ratio.

+ References

No definition available.

+ Details

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Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of increase (decrease) of the credit facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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

- Details

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- Details

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Balance Type:
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Balance Type:
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- Details

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- Details

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- Details

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- Details

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Balance Type:
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=tpx_TermLoanFacilityMember
Namespace Prefix:
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Debt - Credit Facilities and Capital Leases (Details)		12 Months Ended
Debt - Credit Facilities and Capital Leases (Details)	Oct. 16, 2019 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Feb. 02, 2021 USD ($)	Apr. 12, 2017 USD ($)
Line of Credit Facility [Line Items]
Total net leverage ratio		1.68
Revolving Credit Facility
Line of Credit Facility [Line Items]
Principal borrowing capacity, maximum					$ 120,000,000.0
2019 Credit Agreement \| Line of Credit
Line of Credit Facility [Line Items]
Equity interest of subsidiary guarantor (percentage)	100.00%
Equity voting rights of subsidiary (percentage)	65.00%
Leverage ratio, letters of credit outstanding	$ 40,000,000.0
Allowed netted cash amount percentage	100.00%
Domestic and foreign qualified cash, maximum	$ 200,000,000.0
Netted cash amount		$ 63,600,000
2019 Credit Agreement \| Line of Credit \| Maximum
Line of Credit Facility [Line Items]
Total net leverage ratio		5.00
Base Rate \| 2019 Credit Agreement \| Line of Credit
Line of Credit Facility [Line Items]
Index rate or LIBOR plus (percentage)	0.625%
LIBOR \| 2019 Credit Agreement \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Index rate or LIBOR plus (percentage)		1.25%	1.625%
LIBOR \| 2019 Credit Agreement \| Line of Credit
Line of Credit Facility [Line Items]
Index rate or LIBOR plus (percentage)	1.625%
Line of Credit \| 2019 Credit Agreement \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Principal borrowing capacity, maximum	$ 425,000,000.0
Principal borrowing capacity, remaining			$ 424,900,000
Increase (decrease) to line of credit			$ (100,000)
Line of Credit \| 2019 Credit Agreement \| Revolving Credit Facility \| Subsequent Event
Line of Credit Facility [Line Items]
Principal borrowing capacity, maximum				$ 725,000,000.0
Line of Credit \| 2019 Credit Agreement \| Incremental Facility
Line of Credit Facility [Line Items]
Principal borrowing capacity, maximum	550,000,000.0
Line of Credit \| 2019 Credit Agreement \| Letter of Credit
Line of Credit Facility [Line Items]
Principal borrowing capacity, maximum	60,000,000.0
Line of Credit \| 2019 Credit Agreement \| Term Loan Facility
Line of Credit Facility [Line Items]
Principal borrowing capacity, maximum	$ 425,000,000.0