Long-term Debt and Lease Obligation, Gross

No definition available.

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Namespace Prefix:	tpx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
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Reference 3: 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=120391452&loc=d3e13212-122682

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ 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 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399

+ Details

Name:	us-gaap_DeferredFinanceCostsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
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-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977

+ Details

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

- References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityAbstract
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of long-term debt and lease obligation, classified as noncurrent.

+ References

+ Details

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

- Definition

Amount of long-term debt and lease obligation, classified as current.

+ References

+ Details

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

- Definition

Amount of long-term debt and lease obligation, including portion classified as current.

+ References

No definition available.

+ Details

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

- References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
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- Details

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- Details

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- Details

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- Details

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Debt - Schedule of Borrowings Outstanding (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020	Mar. 25, 2021
Long-term Debt, Current and Noncurrent [Abstract]
Present value of lease obligations	$ 69.7	$ 71.4
Total debt	1,873.1	1,370.3
Less: Deferred financing costs	13.0	3.4
Total debt, net	1,860.1	1,366.9
Current portion of long-term debt	37.7	43.9
Total long-term debt, net	1,822.4	1,323.0
2029 Senior Notes
Long-term Debt, Current and Noncurrent [Abstract]
Long term debt, gross	$ 800.0	0.0
Line of Credit Facility [Abstract]
Stated percentage	4.00%		4.00%
2026 Senior Notes
Long-term Debt, Current and Noncurrent [Abstract]
Long term debt, gross	$ 600.0	$ 600.0
Line of Credit Facility [Abstract]
Stated percentage	5.50%	5.50%
2023 Senior Notes
Long-term Debt, Current and Noncurrent [Abstract]
Long term debt, gross	$ 0.0	$ 250.0
Line of Credit Facility [Abstract]
Stated percentage		5.625%
Securitized debt
Long-term Debt, Current and Noncurrent [Abstract]
Long term debt, gross	$ 0.0	$ 33.9
Securitized debt \| London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Abstract]
Index rate or LIBOR plus (as a percent)	0.70%	0.80%
Other
Long-term Debt, Current and Noncurrent [Abstract]
Long term debt, gross	$ 5.0	$ 5.9
2019 Credit Agreement \| Term A Facility
Long-term Debt, Current and Noncurrent [Abstract]
Long term debt, gross	$ 398.4	$ 409.1
2019 Credit Agreement \| Term A Facility \| London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Abstract]
Index rate or LIBOR plus (as a percent)	1.25%	1.25%
2019 Credit Agreement \| Revolving Credit Facility
Long-term Debt, Current and Noncurrent [Abstract]
Long term debt, gross	$ 0.0	$ 0.0
2019 Credit Agreement \| Revolving Credit Facility \| London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Abstract]
Index rate or LIBOR plus (as a percent)	1.25%	1.25%