Summary of Significant Accounting Policies - Narrative (Details) $ in Millions				6 Months Ended
	Apr. 13, 2026 USD ($)	May 01, 2025 retailLocation	Feb. 05, 2025 USD ($) retailLocation	Jun. 30, 2026 channel
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Number of retail locations (over) | retailLocation		73
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%
Mattress Firm
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Number of retail locations (over) | retailLocation			2,100
Common stock of the company | $			$ 2,245.1
Leggett & Platt
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Common stock of the company | $	$ 2,500.0