Restructuring and Related Activities - Narrative (Details) $ in Millions		12 Months Ended			24 Months Ended
	Feb. 24, 2026 USD ($) facility	Dec. 31, 2025 USD ($) facility	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2025 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 11.1	$ 18.7	$ 2.9
Restructuring reserve		1.7	1.0		$ 1.7
2024 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges		6.0	18.5
Restructuring and related costs		29.7	47.8		77.5
Total Approximate Amount Expected to be Incurred		80.0			80.0
2024 Restructuring Plan | Net cash restructuring and restructuring-related costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs		8.7	30.3		39.0
Total Approximate Amount Expected to be Incurred		40.0			40.0
2024 Restructuring Plan | Net non-cash restructuring and restructuring-related costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs		2.0	13.3		15.3
Total Approximate Amount Expected to be Incurred		$ 17.0			$ 17.0
2026 Restructuring Plan | Subsequent Event
Restructuring Cost and Reserve [Line Items]
Total Approximate Amount Expected to be Incurred	$ 15.0
2026 Restructuring Plan | Subsequent Event | Net cash restructuring and restructuring-related costs
Restructuring Cost and Reserve [Line Items]
Total Approximate Amount Expected to be Incurred	10.0
2026 Restructuring Plan | Subsequent Event | Net non-cash restructuring and restructuring-related costs
Restructuring Cost and Reserve [Line Items]
Total Approximate Amount Expected to be Incurred	$ 5.0
Bedding Products | 2024 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Number of production and distribution facilities | facility		17
Gains from the sale of real estate		$ 24.3	$ 16.6
Bedding Products | 2026 Restructuring Plan | Subsequent Event
Restructuring Cost and Reserve [Line Items]
Number of production and distribution facilities | facility	2
Furniture, Flooring & Textile Products | 2024 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Number of production and distribution facilities | facility		4
Furniture, Flooring & Textile Products | 2026 Restructuring Plan | Subsequent Event
Restructuring Cost and Reserve [Line Items]
Number of production and distribution facilities | facility	1