Restructuring, Acquisition and Integration-Related Costs - Schedule of Restructuring Activity (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Restructuring Reserve [Roll Forward]
Beginning balance	$ 13.0	$ 12.1
Restructuring costs	152.6	92.6
Cash payments	(5.1)	(27.3)
Non-cash (expense) income	(133.3)	(64.4)
Ending balance	27.2	13.0	$ 12.1
Cost of Sales
Restructuring Reserve [Roll Forward]
Restructuring costs	$ 141.7	$ 79.6	$ 103.4
Restructuring charges, statement of income or comprehensive income [Extensible Enumeration]	Cost of Product and Service Sold	Cost of Product and Service Sold	Cost of Product and Service Sold
Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Restructuring costs	$ 10.9	$ 13.0	$ 12.4
Restructuring charges, statement of income or comprehensive income [Extensible Enumeration]	Selling, General and Administrative Expense	Selling, General and Administrative Expense	Selling, General and Administrative Expense
Lease Impairments
Restructuring Reserve [Roll Forward]
Beginning balance	$ 0.0	$ 0.0
Restructuring costs	2.0	0.8
Cash payments	0.0	0.0
Non-cash (expense) income	(2.0)	(0.8)
Ending balance	0.0	0.0	$ 0.0
Lease Impairments | Cost of Sales
Restructuring Reserve [Roll Forward]
Restructuring costs	2.0	0.0
Lease Impairments | Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Restructuring costs	0.0	0.8
Asset Write- Downs (Gains on Disposals)
Restructuring Reserve [Roll Forward]
Beginning balance	0.0	0.0
Restructuring costs	86.4	53.2
Cash payments	31.1	7.5
Non-cash (expense) income	(117.5)	(60.7)
Ending balance	0.0	0.0	0.0
Asset Write- Downs (Gains on Disposals) | Cost of Sales
Restructuring Reserve [Roll Forward]
Restructuring costs	86.4	52.5
Asset Write- Downs (Gains on Disposals) | Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Restructuring costs	0.0	0.7
Severance
Restructuring Reserve [Roll Forward]
Beginning balance	13.0	12.1
Restructuring costs	29.9	21.4
Cash payments	(16.7)	(20.0)
Non-cash (expense) income	1.0	(0.5)
Ending balance	27.2	13.0	12.1
Severance | Cost of Sales
Restructuring Reserve [Roll Forward]
Restructuring costs	20.8	12.7
Severance | Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Restructuring costs	9.1	8.7
Other Restructuring Costs
Restructuring Reserve [Roll Forward]
Beginning balance	0.0	0.0
Restructuring costs	34.3	17.2
Cash payments	(19.5)	(14.8)
Non-cash (expense) income	(14.8)	(2.4)
Ending balance	0.0	0.0	$ 0.0
Other Restructuring Costs | Cost of Sales
Restructuring Reserve [Roll Forward]
Restructuring costs	32.5	14.4
Other Restructuring Costs | Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Restructuring costs	1.8	2.8
Operating Segments | Global Ceramic
Restructuring Reserve [Roll Forward]
Restructuring costs	30.9	28.0
Operating Segments | Flooring NA
Restructuring Reserve [Roll Forward]
Restructuring costs	88.3	24.3
Operating Segments | Flooring ROW
Restructuring Reserve [Roll Forward]
Restructuring costs	33.4	40.1
Operating Segments | Lease Impairments | Global Ceramic
Restructuring Reserve [Roll Forward]
Restructuring costs	2.0	0.8
Operating Segments | Lease Impairments | Flooring NA
Restructuring Reserve [Roll Forward]
Restructuring costs	0.0	0.0
Operating Segments | Lease Impairments | Flooring ROW
Restructuring Reserve [Roll Forward]
Restructuring costs	0.0	0.0
Operating Segments | Asset Write- Downs (Gains on Disposals) | Global Ceramic
Restructuring Reserve [Roll Forward]
Restructuring costs	17.4	14.8
Operating Segments | Asset Write- Downs (Gains on Disposals) | Flooring NA
Restructuring Reserve [Roll Forward]
Restructuring costs	61.3	9.3
Operating Segments | Asset Write- Downs (Gains on Disposals) | Flooring ROW
Restructuring Reserve [Roll Forward]
Restructuring costs	7.7	29.1
Operating Segments | Severance | Global Ceramic
Restructuring Reserve [Roll Forward]
Restructuring costs	5.3	9.6
Operating Segments | Severance | Flooring NA
Restructuring Reserve [Roll Forward]
Restructuring costs	1.0	1.4
Operating Segments | Severance | Flooring ROW
Restructuring Reserve [Roll Forward]
Restructuring costs	23.6	10.2
Operating Segments | Other Restructuring Costs | Global Ceramic
Restructuring Reserve [Roll Forward]
Restructuring costs	6.2	2.8
Operating Segments | Other Restructuring Costs | Flooring NA
Restructuring Reserve [Roll Forward]
Restructuring costs	26.0	13.6
Operating Segments | Other Restructuring Costs | Flooring ROW
Restructuring Reserve [Roll Forward]
Restructuring costs	2.1	0.8
Corporate
Restructuring Reserve [Roll Forward]
Restructuring costs	0.0	0.2
Corporate | Lease Impairments
Restructuring Reserve [Roll Forward]
Restructuring costs	0.0	0.0
Corporate | Asset Write- Downs (Gains on Disposals)
Restructuring Reserve [Roll Forward]
Restructuring costs	0.0	0.0
Corporate | Severance
Restructuring Reserve [Roll Forward]
Restructuring costs	0.0	0.2
Corporate | Other Restructuring Costs
Restructuring Reserve [Roll Forward]
Restructuring costs	$ 0.0	$ 0.0