Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Weighted average common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Title of 12(b) Security Title of 12(b) Security Subsequent Event Subsequent Event [Member] Document Fiscal Year Focus Document Fiscal Year Focus Business combination, acquisition related costs Business Combination, Acquisition-Related Cost, Expense Adjustment to Compensation, Amount Adjustment to Compensation Amount Segment Reporting [Abstract] Segment Reporting [Abstract] Schedule of Long-term Debt Instruments Schedule of Long-Term Debt Instruments [Table Text Block] Net consideration transferred Net consideration transferred Business Combination, Consideration Transferred, Net Of Cash Acquired Business Combination, Consideration Transferred, Net Of Cash Acquired Line of Credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Total debt, net Long-Term Debt and Lease Obligation, Including Current Maturities Tax expense (benefits) Other Comprehensive Income (Loss) before Reclassifications, Tax Amendment Flag Amendment Flag Goodwill [Line Items] Goodwill [Line Items] Current Liabilities: Liabilities, Current [Abstract] Bad debt expense Accounts Receivable, Credit Loss Expense (Reversal) Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Specialty retail locations Number of Specialty Retail Locations Number of Specialty Retail Locations Property and equipment Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment Mattress Firm pre-acquisition net revenue Pre-Acquisition Net Revenue [Member] Pre-Acquisition Net Revenue Inter-segment royalty expense (income) Royalty Revenue, Net of Royalty Expense Revenue earned during the period from the leasing or otherwise lending to a third party the entity's rights or title to certain property. Royalty revenue is derived from a percentage or stated amount of sales proceeds or revenue generated by the third party using the entity's property. Examples of property from which royalties may be derived include patents and oil and mineral rights. Net of offsetting royalty expenses. Shares issued in connection with Mattress Firm Acquisition Stock Issued During Period, Value, Acquisitions Business Combination, Pro Forma Information, Nonrecurring Adjustment [Axis] Business Combination, Pro Forma Information, Nonrecurring Adjustment [Axis] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Entity Address, State or Province Entity Address, State or Province PEO Total Compensation Amount PEO Total Compensation Amount Mattress Firm pre-acquisition (loss) earnings Pre-Acquisition (Loss) Earnings [Member] Pre-Acquisition (Loss) Earnings Foreign currency translation adjustments Foreign currency adjustments, net of tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Capital expenditures Segment Reporting, Long-Lived Asset, Expenditure for Addition Trade name and other intangible assets, net Intangible Asset, Excluding Goodwill, after Accumulated Amortization Share Repurchase Program [Domain] Share Repurchase Program [Domain] Treasury stock repurchased - PRSU/RSU releases Treasury Stock, Value, Acquired, Release of Stock Units Treasury Stock, Value, Acquired, Release of Stock Units Basic (in shares) Denominator for basic earnings per common share-weighted average shares (in shares) Weighted Average Number of Shares Outstanding, Basic Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Total Current Liabilities Liabilities, Current Assets held for sale Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Held for Sale Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Held for Sale SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] Elimination of intercompany sales to Mattress Firm Intercompany Sales [Member] Intercompany Sales Entity Address, City or Town Entity Address, City or Town Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Supplemental condensed consolidated balance sheets [Abstract] Statement of Financial Position [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Number of products sales channels Number Of Products Sales Channels Refers to the entity's number of products sales channels through which they sells their products. Other expense, net: Nonoperating Income (Expense) [Abstract] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Principal borrowing capacity, maximum Line of Credit Facility, Maximum Borrowing Capacity Other comprehensive (loss) income, net of tax Other Comprehensive Income (Loss), Net of Tax Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Schedule of Total Assets and Long-lived Assets by Segment Segment Reporting, Reconciliation of Asset by Segment to Consolidated [Table Text Block] United States UNITED STATES 2031 Senior Notes Senior Notes Due 2031 [Member] Senior Notes Due 2031 Subsequent Event Type [Axis] Subsequent Event Type [Axis] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration] Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Statement Of Income, Extensible List, Not Disclosed Flag Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Statement Of Income, Extensible List, Not Disclosed Flag Schedule of Segment Financial Information Segment Reporting [Table Text Block] Other comprehensive (loss) income, net of tax: Other Comprehensive Income (Loss), before Tax [Abstract] Term SOFR Rate Term SOFR Rate [Member] Term SOFR Rate Amortization of deferred financing costs Amortization of Debt Issuance Costs Summary of Accrued Expenses and Other Current Liabilities Schedule of Accrued Liabilities [Table Text Block] Repayments of borrowings under long-term debt obligations Repayments of Lines of Credit Non-cash investing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Document Period End Date Document Period End Date Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Liabilities held for sale Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Held for Sale Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Held for Sale Stockholders' Equity Equity [Text Block] Security Exchange Name Security Exchange Name Long-term debt Business Combination, Recognized Liability Assumed, Long-Term Debt, Noncurrent Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] Short-term operating lease obligations Operating Lease, Liability, Current Term A Facility Term A Facility [Member] Refers to classification of debt has Term A. Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Earnings Per Common Share Earnings Per Share [Text Block] Treasury stock repurchased - merger consideration Treasury Stock, Value Acquired, Merger Consideration Treasury Stock, Value Acquired, Merger Consideration Name Outstanding Recovery, Individual Name Earnings per common share: Earnings Per Share [Abstract] Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Total Liabilities Liabilities Trading Symbol Trading Symbol Geographical [Domain] Geographical [Domain] Mattress Firm Mattress Firm Group Inc. [Member] Mattress Firm Group Inc. Purchases of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Credit spread adjustment (as a percent) Debt Instrument, Credit Spread Adjustment On Variable Rate Debt Instrument, Credit Spread Adjustment On Variable Rate Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Income taxes payable Accrued Income Taxes, Current Schedule of Preliminary Purchase Price Allocation Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] Company Selected Measure Name Company Selected Measure Name Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Pensions Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Total debt Long-term Debt and Lease Obligation, Gross Long-term Debt and Lease Obligation, Gross Long term debt, gross Long-Term Debt, Gross Credit Facility [Domain] Credit Facility [Domain] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Effective settlement of pre-existing relationship Business Combination, Consideration Transferred, Tangible and Intangible Assets, Excluding Cash Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Diluted (in shares) Denominator for diluted earnings per common share-adjusted weighted average shares (in shares) Weighted Average Number of Shares Outstanding, Diluted Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Direct Sales Channel, Directly to Consumer [Member] Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Property, plant and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Treasury stock repurchased - PRSU/RSU releases (in shares) Treasury Stock, Shares, Acquired, Release Of Stock Unit Treasury Stock, Shares, Acquired, Release Of Stock Unit Goodwill, deductible for income tax Business Combination, Goodwill, Expected Tax Deductible, Amount Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Gross profit Gross profit Gross Profit Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Effect of dilutive securities (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Asia Pacific Joint Ventures Asia Pacific Joint Ventures [Member] Asia Pacific Joint Ventures [Member] Changes in operating assets and liabilities, net of effect of business acquisitions Increase (Decrease) in Other Operating Assets and Liabilities, Net Mattress Firm Mattress Firm Segment [Member] Mattress Firm Segment Award Timing Predetermined Award Timing Predetermined [Flag] Treasury Stock Treasury Stock, Common [Member] Intangible Asset, Goodwill and Other [Abstract] Intangible Asset, Goodwill and Other [Abstract] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Amortization of unearned stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Effective income tax provision (as a percent) Effective Income Tax Rate Reconciliation, Percent Accordion feature, incremental limit Line of Credit Facility, Accordion Feature, Increase Limit Line of Credit Facility, Accordion Feature, Increase Limit Fair Value Fair Value of Financial Instruments, Policy [Policy Text Block] All Executive Categories All Executive Categories [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Net change in pension benefits, net of tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Fair Value Long-Term Debt, Fair Value Redeemable non-controlling interest Redeemable noncontrolling interest, beginning balance Redeemable noncontrolling interest, ending balance Redeemable Noncontrolling Interest, Equity, Carrying Amount Operating lease right-of-use assets Operating lease assets Operating Lease, Right-of-Use Asset Selling and marketing expenses Selling and Marketing Expense Sales returns Accrued Sales Returns, Current Accrued Sales Returns, Current Schedule of Earnings Per Common Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Current portion of long-term debt Long-Term Debt and Lease Obligation, Current Business Segment Information Segment Reporting [Text Block] Minimum Minimum [Member] Expiration Date Trading Arrangement Expiration Date Cash acquired in excess of payments to acquire business Cash Acquired in Excess of Payments to Acquire Business Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Diluted earnings per common share (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Basic earnings per common share (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Total Stockholders' Equity Balance at beginning of period Balance at end of period Equity, Including Portion Attributable to Noncontrolling Interest Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Long-term operating lease obligations Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Operating Lease Liability Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Operating Lease Liability Business Combination [Line Items] Business Combination [Line Items] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Purchase Price Allocation Adjustments Purchase Price Allocation Adjustments [Member] Purchase Price Allocation Adjustments Operating lease right-of-use assets Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Operating Leases, Right Of Use Asset Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Operating Leases, Right Of Use Asset Proceeds from exercise of stock options Proceeds from Issuance of Common Stock Accounts receivable, net Business Combination, Recognized Asset Acquired, Receivable, Current Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Exercise Price Award Exercise Price Segment Reporting [Line Items] Segment Reporting [Line Items] Pro forma net income Business Combination, Pro Forma Information, Pro Forma Income (Loss), after Tax Document Quarterly Report Document Quarterly Report 2029 Senior Notes Senior Notes Due 2029 [Member] Senior Notes Due 2029 Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Segment [Domain] Segments [Domain] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations NET EFFECT OF EXCHANGE RATE CHANGES ON CASH, CASH EQUIVALENTS AND RESTRICTED CASH Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Prepaid an aggregate principal amount Repayments of Long-Term Debt Tempur Sealy North America Tempur Sealy North America Segment [Member] North America Segment [Member] Less: Deferred financing costs and discounts Debt Issuance Costs, Net Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Business Combination [Table] Business Combination [Table] Acquisitions and Divestitures Mergers, Acquisitions and Dispositions Disclosures [Text Block] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Other Other Borrowings [Member] Other Borrowings Line of Credit Facility [Abstract] Line of Credit Facility [Abstract] Securitized debt Secured Debt Secured Debt [Member] Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Adoption Date Trading Arrangement Adoption Date Inventories Inventory, Policy [Policy Text Block] Stated percentage Debt Instrument, Interest Rate, Stated Percentage Dividends declared on common stock Dividends, Common Stock, Cash Total other expense, net Nonoperating Income (Expense) Other non-current assets Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent ASSETS Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Shares issued in acquisition (in shares) Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Insider Trading Policies and Procedures [Line Items] Present value of lease obligations Finance Lease, Liability Repayments of finance lease obligations and other Proceeds from (Payment for) Other Financing Activity Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Schedule of Borrowings Outstanding Schedule of Line of Credit Facilities [Table Text Block] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Deferred income taxes Deferred Income Tax Expense (Benefit) Business Combination [Domain] Business Combination [Domain] Letter of Credit Letter of Credit [Member] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Number of business segments Number of Operating Segments Shares excluded from diluted earnings per common share computation as anti-dilutive (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Restricted Stock Units (RSUs) RSU expense Restricted Stock Units (RSUs) [Member] Schedule of Goodwill by Reportable Business Segment Goodwill [Table Text Block] Entity Central Index Key Entity Central Index Key All Adjustments to Compensation All Adjustments to Compensation [Member] Corporate Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Business Combination [Axis] Business Combination [Axis] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Income Statement [Abstract] Income Statement [Abstract] Document Transition Report Document Transition Report Term B Facility Term B Facility [Member] Term B Facility Equity Method Investee, Name [Axis] Investment, Name [Axis] Deferred income taxes Deferred Income Tax Assets, Net Inter-segment eliminations Intersegment Eliminations [Member] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Schedule of Long-Lived Assets by Geographic Region Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table Text Block] Variable rate (as a percent) Debt Instrument, Basis Spread on Variable Rate City Area Code City Area Code Variable Rate [Domain] Variable Rate [Domain] Interest expense adjustments Acquisition-Related Interest Expense [Member] Acquisition-Related Interest Expense Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Dividends paid Payments of Dividends General, administrative and other expenses General, Administrative and Other Expenses The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. And the total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation. Name Forgone Recovery, Individual Name Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Term Loan [Domain] Term Loan [Domain] Information by type of loan. Common stock of the company Business Combination, Consideration Transferred, Equity Interest Statement [Line Items] Statement [Line Items] Total Assets Total assets Assets Adjustment to pension liability, net of tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax Operating Segments Operating Segments [Member] Interest expense, net Interest Expense, Nonoperating Fair value of liabilities assumed Business Combination, Recognized Liability Assumed, Liability Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Net change from period revaluations Other Comprehensive Income (Loss), before Reclassifications, before Tax Dividend paid to non-controlling interest in subsidiary Temporary Equity, Dividend Distribution Non-Controlling Interest In Subsidiary Temporary Equity, Dividend Distribution Non-Controlling Interest In Subsidiary PEO PEO [Member] Total stock-based compensation expense Share-Based Payment Arrangement, Expense Other non-current liabilities Other Liabilities, Noncurrent Goodwill Beginning balance Ending balance Goodwill Inventories Business Combination, Recognized Asset Acquired, Inventory, Current Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Exercise of stock options (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Accounts payable Business Combination, Recognized Liability Assumed, Accounts Payable, Current Subsequent Event Type [Domain] Subsequent Event Type [Domain] Taxes Taxes Payable, Current Retained Earnings Retained Earnings [Member] Long-term operating lease obligations Operating Lease, Liability, Noncurrent Revolver Revolving Credit Facility Revolving Credit Facility [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] United Kingdom Joint Venture United Kingdom Joint Venture [Member] United Kingdom Joint Venture Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Award Timing Disclosures [Line Items] Foreign Currency Translation Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Diluted (in dollars per share) Earnings Per Share, Diluted Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Net cash (used in) provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount February 2016 Program February 2017 Program [Member] February 2017 Program [Member] Stockholders' Equity Note [Abstract] Stockholders' Equity Note [Abstract] Schedule of Estimated Purchase Price Consideration Business Combination [Table Text Block] Wages and benefits Accrued Salaries And Employee Benefits, Current Accrued Salaries And Employee Benefits, Current Business combination, initial accounting incomplete, adjustment to stock compensation expense Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Pre-Acquisition (Loss) Earnings Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Pre-Acquisition (Loss) Earnings Schedule of Business Acquisition, Pro Forma Information Business Combination, Pro Forma Information [Table Text Block] Proceeds from borrowings under long-term debt obligations Proceeds from Long-Term Lines of Credit Number of retail locations (over) Number of retail locations Business Combinations, Number Of Retail Locations Acquired Business Combinations, Number Of Retail Locations Acquired Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Fair value of assets acquired Business Combination, Recognized Asset Acquired, Asset Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Business Combination, Pro Forma Information, Nonrecurring Adjustment [Domain] Business Combination, Pro Forma Information, Nonrecurring Adjustment [Domain] Net sales Total net sales and inter-segment sales Revenue from Contract with Customer, Excluding Assessed Tax Principal borrowing capacity, remaining Line of Credit Facility, Remaining Borrowing Capacity Income tax (provision) percentage of proforma adjustment Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Goodwill Intangible Asset and Goodwill [Text Block] Underlying Securities Award Underlying Securities Amount Less: Net (loss) income attributable to non-controlling interest Less: Comprehensive (loss) income attributable to non-controlling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Net Sales Revenue from Contract with Customer [Text Block] Other Payment for (Proceeds from) Other Investing Activity Shares issued in connection with Mattress Firm Acquisition (in shares) Stock Issued During Period, Shares, Acquisitions Segment Reporting [Table] Segment Reporting [Table] Treasury stock issued in connection with Mattress Firm Acquisition Stock Issued Net income attributable to non-controlling interests Temporary Equity, Net Income Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel [Axis] CASH FLOWS FROM INVESTING ACTIVITIES: Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract] Other Items Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] CASH FLOWS FROM OPERATING ACTIVITIES: Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Operating income Operating income (loss) Operating Income (Loss) Delayed Draw Term Loan Delayed Draw Term Loan (DDTL) [Member] Current Fiscal Year End Date Current Fiscal Year End Date Loss on disposal of business Loss on disposal of business Gain (Loss) on Disposition of Business Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Dividends on common stock (in usd per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Issuances of PRSUs and RSUs Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Treasury Stock Repurchased - Merger Consideration (in shares) Treasury Stock, Shares Acquired, Merger Consideration Treasury Stock, Shares Acquired, Merger Consideration Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Balance at beginning of period (in shares) Balance at end of period (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Finished goods Inventory, Finished Goods, Gross Term B Loan Term B Loan [Member] Term B Loan Long-term Debt, Current and Noncurrent [Abstract] Long-Term Debt, Current and Noncurrent [Abstract] Balance at beginning of period (in shares) Balance at ending of period (in shares) Treasury Stock, Common, Shares Equity Components [Axis] Equity Components [Axis] Income taxes, net of refunds Income Tax Paid, after Refund Received Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Entity Interactive Data Current Entity Interactive Data Current Variable Rate [Axis] Variable Rate [Axis] Deferred income taxes Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Advertising Accrued Advertising, Current Entity Small Business Entity Small Business Comprehensive income attributable to Somnigroup International Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Shares issued in connection with Mattress Firm Acquisition (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other non-current assets Other Assets, Noncurrent CASH FLOWS FROM FINANCING ACTIVITIES: Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract] Document Type Document Type Acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Accrued expenses and other current liabilities Total accrued liabilities Accrued Liabilities, Current Income taxes payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Income Tax Liability Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Income Tax Liability Fair Value as of Grant Date Award Grant Date Fair Value Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Schedule of Goodwill [Table] Goodwill [Table] Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Remaining shares under share repurchase authorization Share Repurchase Program, Remaining Authorized, Amount Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Work-in-process Inventory, Work in Process, Gross Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Income before income taxes Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Denominator: Denominator: [Abstract] -- None. No documentation exists for this element. -- Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Equity income in earnings of unconsolidated affiliates Equity income in earnings of unconsolidated affiliates Income (Loss) from Equity Method Investments Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Goodwill [Roll Forward] Goodwill [Roll Forward] LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Inventories Total Inventory, Net Award Type [Domain] Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Wholesale Wholesale [Member] Wholesale [Member] Supplemental cash flow information: Supplemental Cash Flow Information [Abstract] Transaction Costs Transaction Cost [Member] Transaction Cost Other selling and marketing expenses Other Selling and Marketing Expense PEO Name PEO Name Geographical [Axis] Geographical [Axis] Treasury stock repurchased Payments for Repurchase of Equity Cash acquired Cash acquired Cash Acquired from Acquisition Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Value of treasury stock acquired Treasury Stock, Value, Acquired, Cost Method CASH, CASH EQUIVALENTS AND RESTRICTED CASH, beginning of period CASH, CASH EQUIVALENTS AND RESTRICTED CASH, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Other Other Accrued Liabilities, Current Indefinite-lived trade names Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Indefinite-Lived Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Base Rate Base Rate [Member] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] 2023 Credit Agreement 2023 Credit Agreement [Member] 2023 Credit Agreement Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Performance-based Restricted Stock Units PRSU expense Performance based Restricted Stock Units [Member] Performance-based restricted stock units awarded and vested under the 2003 Plan. Other non-current liabilities Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent Cash Payments to Acquire Businesses, Gross Ownership percentage Equity Method Investment, Ownership Percentage Amortization of stock-based compensation Share-Based Payment Arrangement, Noncash Expense Equity Method Investee, Name [Domain] Investment, Name [Domain] Schedule of Inventory Schedule of Inventory, Current [Table Text Block] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (in dollars per share) Earnings Per Share, Basic Unearned revenue Contract with Customer, Liability, Current Total Current Assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Cost of sales Cost of Revenue Award Type [Axis] Award Type [Axis] Leggett & Platt Leggett & Platt [Member] Leggett & Platt Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Tax effect of Pro Forma Adjustments Tax effect of Pro Forma Adjustments [Member] Tax effect of Pro Forma Adjustments Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Numerator: Numerator: [Abstract] -- None. No documentation exists for this element. -- Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Loss on disposal of business Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover page. Cover [Abstract] All other All other Non-US [Member] Daily Simple SOFR Rate Daily Simple SOFR Rate [Member] Daily Simple SOFR Rate Foreign currency translation and other Goodwill, Foreign Currency Translation, Gain (Loss) Equity Awards Adjustments Equity Awards Adjustments [Member] Total Liabilities, Redeemable Non-Controlling Interest and Stockholders' Equity Liabilities and Equity Option expense Share-Based Payment Arrangement, Option [Member] Net amount reclassified to earnings Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Business Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] LIBOR LIBOR [Member] LIBOR Tabular List, Table Tabular List [Table Text Block] Number Of Reportable Segments Not Disclosed Flag Number Of Reportable Segments Not Disclosed Flag Number Of Reportable Segments Not Disclosed Flag Schedule of Stock-Based Compensation Expense Share-Based Payment Arrangement, Cost by Plan [Table Text Block] Other (income) expense, net Other income, net Other Nonoperating Income (Expense) Debt Long-Term Debt [Text Block] Name Awards Close in Time to MNPI Disclosures, Individual Name Purchases of investments Payments to Acquire Investments Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Tempur Sealy International Tempur Sealy International Segment [Member] Tempur Sealy International Segment Raw materials and supplies Inventory, Raw Materials and Supplies, Gross Accrued Liabilities and Other Liabilities [Abstract] Accrued Liabilities and Other Liabilities [Abstract] Goodwill, non-deductible for income tax Business Combination, Goodwill, Tax, Nondeductible, Amount Business Combination, Goodwill, Tax, Nondeductible, Amount Number of distribution centers Number Of Distribution Centers Number Of Distribution Centers Term Loan Facility Term Loan Facility [Member] Term Loan Facility [Member] Adjustment to Compensation: Adjustment to Compensation [Axis] Incremental Facility Incremental Facility [Member] Incremental Facility Share Repurchase Program [Axis] Share Repurchase Program [Axis] Basis of Presentation and Description of Business Consolidation Of Subsidiaries And Description Of Business [Policy Text Block] The entire disclosure describing an entity's accounting policy for its subsidiaries or other investments that are consolidated, including the accounting treatment for intercompany accounts or transactions and any non-controlling interest; along with description of business. Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Supplemental condensed consolidated statements of cash flows [Abstract] Statement of Cash Flows [Abstract] Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Long-term debt, net Total long-term debt, net Long-Term Debt and Lease Obligation Increase (decrease) to line of credit Line of Credit Facility, Increase (Decrease), Net Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Total consideration Total consideration transferred Business Combination, Consideration Transferred Intercompany Profit Elimination Intercompany Profit Elimination [Member] Intercompany Profit Elimination Additional Paid in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Name Trading Arrangement, Individual Name Advertising expenses Advertising Expense SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] Company Selected Measure Amount Company Selected Measure Amount Dividends received from unconsolidated affiliates Proceeds from Equity Method Investment, Distribution Depreciation and amortization Depreciation, Depletion and Amortization Term Loan [Axis] Term Loan [Axis] Information by type of loan. Secured Overnight Financing Rate (SOFR) Secured Overnight Financing Rate (SOFR) [Member] Entity Address, Address Line Two Entity Address, Address Line Two Issuances of PRSUs and RSUs (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Net income before non-controlling interest Net income before non-controlling interest Total adjustments to net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Closing share price (in dollars per share) Business Combination, Price Per Share Contract with Customer, Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] Current Assets: Assets, Current [Abstract] Pro forma net sales Business Combination, Pro Forma Information, Pro Forma Revenue Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Income tax provision (benefit) Income Tax Expense (Benefit) Award Timing Method Award Timing Method [Text Block] Basis of Consolidation Consolidation, Policy [Policy Text Block] Decrease in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Deferred tax liability Business Combination, Recognized Liability Assumed, Deferred Tax Liability AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Net income attributable to Somnigroup International Inc. Net income Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Schedule of Changes in Accumulated Other Comprehensive Income Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Line of credit facility, maximum incremental commitments Line Of Credit Facility, Maximum Incremental Commitments Line Of Credit Facility, Maximum Incremental Commitments Accrued expenses and other current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Accrued Expenses and Other Current Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Accrued Expenses and Other Current Liabilities Net income attributable to Somnigroup International Inc. Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Schedule of Business Acquisition, Pro Forma Information, Nonrecurring Adjustments Business Combination, Pro Forma Information, Nonrecurring Adjustment [Table Text Block] Foreign currency adjustments and other Unrealized Gain (Loss), Foreign Currency Transaction, before Tax Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Prepaid expenses and other current assets Business Combination, Recognized Asset Acquired, Prepaid Expense and Other Asset, Current