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v3.23.3

Summary of Significant Accounting Policies (Details) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2023 USD ($) channel | Dec. 31, 2022 USD ($)
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |
Number of products sales channels | channel | 2 |
Asia Pacific Joint Ventures |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |
Ownership percentage | 50.00% |
United Kingdom Joint Venture |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |
Ownership percentage | 50.00% |
Accrued Expenses And Other Current Liabilities |  |
Warranty Term [Abstract] |  |
Accrued warranty expense | $ 18.4 | $ 17.8
Other Noncurrent Liabilities |  |
Warranty Term [Abstract] |  |
Accrued warranty expense | $ 22.2 | $ 23.8
Mattresses | Non-prorated | International |  |
Warranty Term [Abstract] |  |
Warranty term (in years) | 5 years |
Mattresses | Prorated | International |  |
Warranty Term [Abstract] |  |
Warranty term (in years) | 10 years |
Mattresses | Minimum | North America |  |
Warranty Term [Abstract] |  |
Warranty term (in years) | 10 years |
Mattresses | Minimum | International |  |
Warranty Term [Abstract] |  |
Warranty term (in years) | 5 years |
Mattresses | Minimum | Non-prorated | North America |  |
Warranty Term [Abstract] |  |
Warranty term (in years) | 10 years |
Mattresses | Maximum | North America |  |
Warranty Term [Abstract] |  |
Warranty term (in years) | 25 years |
Mattresses | Maximum | International |  |
Warranty Term [Abstract] |  |
Warranty term (in years) | 15 years |
Mattresses | Maximum | Non-prorated | North America |  |
Warranty Term [Abstract] |  |
Warranty term (in years) | 15 years |
Pillows | North America |  |
Warranty Term [Abstract] |  |
Warranty term (in years) | 3 years |

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