Restructuring, Acquisition and Integration-Related Costs - Schedule of Restructuring Activity (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 04, 2026	Mar. 29, 2025
Restructuring Reserve [Roll Forward]
Beginning balance	$ 27.2
Restructuring costs	37.4
Cash proceeds (payments)	(11.6)
Non-cash (expense) income	(36.0)
Ending balance	17.0
Cost of sales
Restructuring Reserve [Roll Forward]
Restructuring costs	$ 34.8	$ 25.2
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of sales	Cost of sales
Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Restructuring costs	$ 2.6	$ 0.1
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]	Selling, General and Administrative Expense	Selling, General and Administrative Expense
Lease impairments
Restructuring Reserve [Roll Forward]
Beginning balance	$ 0.0
Restructuring costs	1.2
Cash proceeds (payments)	0.0
Non-cash (expense) income	(1.2)
Ending balance	0.0
Lease impairments | Cost of sales
Restructuring Reserve [Roll Forward]
Restructuring costs	1.2
Lease impairments | Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Restructuring costs	0.0
Asset Write- Downs and (Gains) on Disposals, net
Restructuring Reserve [Roll Forward]
Beginning balance	0.0
Restructuring costs	31.7
Cash proceeds (payments)	5.3
Non-cash (expense) income	(37.0)
Ending balance	0.0
Asset Write- Downs and (Gains) on Disposals, net | Cost of sales
Restructuring Reserve [Roll Forward]
Restructuring costs	31.0
Asset Write- Downs and (Gains) on Disposals, net | Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Restructuring costs	0.7
Severance
Restructuring Reserve [Roll Forward]
Beginning balance	27.2
Restructuring costs	0.6
Cash proceeds (payments)	(13.0)
Non-cash (expense) income	2.2
Ending balance	17.0
Severance | Cost of sales
Restructuring Reserve [Roll Forward]
Restructuring costs	0.0
Severance | Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Restructuring costs	0.6
Other Restructuring Costs
Restructuring Reserve [Roll Forward]
Beginning balance	0.0
Restructuring costs	3.9
Cash proceeds (payments)	(3.9)
Non-cash (expense) income	0.0
Ending balance	0.0
Other Restructuring Costs | Cost of sales
Restructuring Reserve [Roll Forward]
Restructuring costs	2.6
Other Restructuring Costs | Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Restructuring costs	1.3
Operating Segments | Global Ceramic
Restructuring Reserve [Roll Forward]
Restructuring costs	3.3
Operating Segments | Flooring NA
Restructuring Reserve [Roll Forward]
Restructuring costs	31.3
Operating Segments | Flooring ROW
Restructuring Reserve [Roll Forward]
Restructuring costs	2.8
Operating Segments | Lease impairments | Global Ceramic
Restructuring Reserve [Roll Forward]
Restructuring costs	1.2
Operating Segments | Lease impairments | Flooring NA
Restructuring Reserve [Roll Forward]
Restructuring costs	0.0
Operating Segments | Lease impairments | Flooring ROW
Restructuring Reserve [Roll Forward]
Restructuring costs	0.0
Operating Segments | Asset Write- Downs and (Gains) on Disposals, net | Global Ceramic
Restructuring Reserve [Roll Forward]
Restructuring costs	1.5
Operating Segments | Asset Write- Downs and (Gains) on Disposals, net | Flooring NA
Restructuring Reserve [Roll Forward]
Restructuring costs	29.3
Operating Segments | Asset Write- Downs and (Gains) on Disposals, net | Flooring ROW
Restructuring Reserve [Roll Forward]
Restructuring costs	0.9
Operating Segments | Severance | Global Ceramic
Restructuring Reserve [Roll Forward]
Restructuring costs	0.4
Operating Segments | Severance | Flooring NA
Restructuring Reserve [Roll Forward]
Restructuring costs	0.1
Operating Segments | Severance | Flooring ROW
Restructuring Reserve [Roll Forward]
Restructuring costs	0.1
Operating Segments | Other Restructuring Costs | Global Ceramic
Restructuring Reserve [Roll Forward]
Restructuring costs	0.2
Operating Segments | Other Restructuring Costs | Flooring NA
Restructuring Reserve [Roll Forward]
Restructuring costs	1.9
Operating Segments | Other Restructuring Costs | Flooring ROW
Restructuring Reserve [Roll Forward]
Restructuring costs	$ 1.8