Restructuring, Acquisition and Integration-Related Costs - Schedule of Restructuring Activity (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024
Restructuring Reserve [Roll Forward]
Beginning balance	$ 14.4		$ 13.0
Restructuring costs	46.7		101.4
Cash proceeds (payments)	14.1		1.4
Non-cash (expense) income	(49.8)		(90.4)
Ending balance	25.4		25.4
Cost of sales
Restructuring Reserve [Roll Forward]
Restructuring costs	$ 44.1	$ 16.4	$ 95.5	$ 57.0
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of sales	Cost of sales	Cost of sales	Cost of sales
Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Restructuring costs	$ 2.6	$ 3.0	$ 5.9	$ 10.4
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	Selling, General and Administrative Expense
Lease impairments
Restructuring Reserve [Roll Forward]
Beginning balance	$ 0.0		$ 0.0
Restructuring costs	0.3		0.3
Cash proceeds (payments)	0.0		0.0
Non-cash (expense) income	(0.3)		(0.3)
Ending balance	0.0		0.0
Lease impairments | Cost of sales
Restructuring Reserve [Roll Forward]
Restructuring costs	0.3		0.3
Lease impairments | Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Restructuring costs	0.0		0.0
Asset Write- Downs and (Gains) on Disposals, net
Restructuring Reserve [Roll Forward]
Beginning balance	0.0		0.0
Restructuring costs	24.6		53.8
Cash proceeds (payments)	24.8		35.9
Non-cash (expense) income	(49.4)		(89.7)
Ending balance	0.0		0.0
Asset Write- Downs and (Gains) on Disposals, net | Cost of sales
Restructuring Reserve [Roll Forward]
Restructuring costs	24.7		53.9
Asset Write- Downs and (Gains) on Disposals, net | Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Restructuring costs	(0.1)		(0.1)
Severance
Restructuring Reserve [Roll Forward]
Beginning balance	14.4		13.0
Restructuring costs	15.2		23.3
Cash proceeds (payments)	(4.1)		(11.8)
Non-cash (expense) income	(0.1)		0.9
Ending balance	25.4		25.4
Severance | Cost of sales
Restructuring Reserve [Roll Forward]
Restructuring costs	13.1		18.7
Severance | Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Restructuring costs	2.1		4.6
Other Restructuring Costs
Restructuring Reserve [Roll Forward]
Beginning balance	0.0		0.0
Restructuring costs	6.6		24.0
Cash proceeds (payments)	(6.6)		(22.7)
Non-cash (expense) income	0.0		(1.3)
Ending balance	0.0		0.0
Other Restructuring Costs | Cost of sales
Restructuring Reserve [Roll Forward]
Restructuring costs	6.0		22.6
Other Restructuring Costs | Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Restructuring costs	0.6		1.4
Operating Segments | Global Ceramic
Restructuring Reserve [Roll Forward]
Restructuring costs	18.1		26.8
Operating Segments | Flooring NA
Restructuring Reserve [Roll Forward]
Restructuring costs	13.7		46.7
Operating Segments | Flooring ROW
Restructuring Reserve [Roll Forward]
Restructuring costs	14.9		27.9
Operating Segments | Lease impairments | Global Ceramic
Restructuring Reserve [Roll Forward]
Restructuring costs	0.3		0.3
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 and (Gains) on Disposals, net | Global Ceramic
Restructuring Reserve [Roll Forward]
Restructuring costs	14.2		20.5
Operating Segments | Asset Write- Downs and (Gains) on Disposals, net | Flooring NA
Restructuring Reserve [Roll Forward]
Restructuring costs	9.2		27.5
Operating Segments | Asset Write- Downs and (Gains) on Disposals, net | Flooring ROW
Restructuring Reserve [Roll Forward]
Restructuring costs	1.2		5.8
Operating Segments | Severance | Global Ceramic
Restructuring Reserve [Roll Forward]
Restructuring costs	1.5		1.6
Operating Segments | Severance | Flooring NA
Restructuring Reserve [Roll Forward]
Restructuring costs	0.3		1.0
Operating Segments | Severance | Flooring ROW
Restructuring Reserve [Roll Forward]
Restructuring costs	13.4		20.7
Operating Segments | Other Restructuring Costs | Global Ceramic
Restructuring Reserve [Roll Forward]
Restructuring costs	2.1		4.4
Operating Segments | Other Restructuring Costs | Flooring NA
Restructuring Reserve [Roll Forward]
Restructuring costs	4.2		18.2
Operating Segments | Other Restructuring Costs | Flooring ROW
Restructuring Reserve [Roll Forward]
Restructuring costs	$ 0.3		1.4
Corporate
Restructuring Reserve [Roll Forward]
Restructuring costs			0.0
Corporate | Lease impairments
Restructuring Reserve [Roll Forward]
Restructuring costs			0.0
Corporate | Asset Write- Downs and (Gains) on Disposals, net
Restructuring Reserve [Roll Forward]
Restructuring costs			0.0
Corporate | Severance
Restructuring Reserve [Roll Forward]
Restructuring costs			0.0
Corporate | Other Restructuring Costs
Restructuring Reserve [Roll Forward]
Restructuring costs			$ 0.0