Segment Reporting (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 28, 2025 USD ($)	Jun. 29, 2024 USD ($)	Jun. 28, 2025 USD ($) segment	Jun. 29, 2024 USD ($)	Dec. 31, 2024 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment			3
Segment Reporting Information [Line Items]
Net sales	$ 2,802.1	$ 2,801.3	$ 5,327.9	$ 5,480.7
Gross profit	714.4	723.8	1,297.7	1,373.3
Selling, general and administrative expenses	525.7	509.8	1,012.9	1,012.7
Operating income (loss)	188.7	214.0	284.8	360.6
Depreciation and amortization	155.6	171.5	306.0	325.7
Capital expenditures (excluding acquisitions)	80.2	91.4	169.3	178.2
Assets	13,778.8		13,778.8		$ 12,778.6
Operating segments | Global Ceramic
Segment Reporting Information [Line Items]
Net sales	1,120.9	1,115.6	2,114.7	2,160.4
Gross profit	329.0	311.6	588.8	585.6
Selling, general and administrative expenses	240.8	228.5	458.8	453.7
Operating income (loss)	88.2	83.1	130.0	131.9
Depreciation and amortization	51.9	57.5	105.5	113.0
Capital expenditures (excluding acquisitions)	34.5	37.2	66.4	58.7
Assets	5,158.4		5,158.4		4,591.0
Operating segments | Flooring NA
Segment Reporting Information [Line Items]
Net sales	946.8	958.5	1,809.2	1,858.7
Gross profit	217.9	245.7	388.3	450.5
Selling, general and administrative expenses	165.4	167.4	326.5	327.2
Operating income (loss)	52.5	78.3	61.8	123.3
Depreciation and amortization	56.6	55.5	112.9	111.6
Capital expenditures (excluding acquisitions)	20.3	32.9	54.3	61.5
Assets	4,034.5		4,034.5		3,925.5
Operating segments | Flooring ROW
Segment Reporting Information [Line Items]
Net sales	734.4	727.2	1,404.0	1,461.6
Gross profit	167.5	165.6	320.1	336.6
Selling, general and administrative expenses	101.7	100.0	195.6	200.1
Operating income (loss)	65.8	65.6	124.5	136.5
Depreciation and amortization	45.4	56.3	84.1	96.6
Capital expenditures (excluding acquisitions)	25.4	22.9	48.6	52.5
Assets	4,078.7		4,078.7		3,594.7
Corporate and intersegment eliminations
Segment Reporting Information [Line Items]
Gross profit	0.0	0.9	0.5	0.6
Selling, general and administrative expenses	17.8	13.9	32.0	31.7
Operating income (loss)	(17.8)	(13.0)	(31.5)	(31.1)
Depreciation and amortization	1.7	2.2	3.5	4.5
Capital expenditures (excluding acquisitions)	0.0	$ (1.6)	0.0	$ 5.5
Assets	$ 507.2		$ 507.2		$ 667.4