Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2025	Dec. 29, 2024	Dec. 31, 2023
Amount
U.S. federal statutory tax rate	$ (21.4)
State and local income taxes, net	16.3
Subpart F inclusion	9.5
Global Intangible Low-Taxed Income (GILTI), net of Sec. 250 deduction	5.7
Foreign-derived intangible income (FDII) deduction	(4.2)
Foreign tax credits	(14.2)
Research & development tax credits	(6.4)
Changes in unrecognized tax benefits	2.9
Goodwill impairment	209.8
Officer's compensation	9.8
Other	(1.9)
Post-disposition tax refund	(2.3)
Other	(0.6)
Total tax expense (benefit)	$ 216.2	$ 102.6	$ (221.3)
Percent
U.S. federal statutory tax rate	21.00%	21.00%	21.00%
State and local income taxes, net	(16.00%)	0.20%	0.50%
Difference in statutory tax rate		1.30%	6.70%
Other		(0.80%)	0.50%
Change in valuation allowance		(4.50%)	(23.30%)
Subpart F inclusion	(9.30%)
Global Intangible Low-Taxed Income (GILTI), net of Sec. 250 deduction	(5.60%)
Foreign-derived intangible income (FDII) deduction	4.20%
Foreign tax credits	13.90%
Research & development tax credits	6.30%	(1.50%)	0.30%
Changes in unrecognized tax benefits	(2.80%)
Goodwill impairment	(205.80%)	0.00%	(11.80%)
Officer's compensation	(9.60%)	0.90%	(0.30%)
Other	1.80%
Post-disposition tax refund	2.30%
Other	0.60%
Domestic tax on foreign earnings		(4.00%)	1.30%
Change in unrecognized tax benefits		0.00%	(0.30%)
U.S. capital loss		6.60%	22.00%
Share-based compensation		0.50%	(0.30%)
Loss on disposal of business		1.00%	(3.40%)
Effective tax rate	(212.10%)	20.70%	12.90%
Canada
Amount
Difference in statutory tax rate	$ (0.3)
Other	$ 0.6
Percent
Difference in statutory tax rate	0.30%
Other	(0.60%)
Quebec
Amount
Difference in statutory tax rate	$ 1.7
Percent
Difference in statutory tax rate	(1.70%)
Switzerland
Amount
Difference in statutory tax rate	$ (22.7)
Other	(0.7)
Change in valuation allowance	(4.0)
Nontaxable income	$ (2.1)
Percent
Difference in statutory tax rate	22.30%
Other	0.70%
Change in valuation allowance	3.90%
Nontaxable income	2.00%
Canton Of Switzerland
Amount
Difference in statutory tax rate	$ 10.2
Percent
Difference in statutory tax rate	(10.00%)
China
Amount
Difference in statutory tax rate	$ 0.5
Other	0.3
Withholding tax	$ 8.0
Percent
Difference in statutory tax rate	(0.50%)
Other	(0.30%)
Withholding tax	(7.80%)
Germany
Amount
Difference in statutory tax rate	$ (0.1)
Other	(0.6)
Pension adjustment	$ (1.3)
Percent
Difference in statutory tax rate	0.10%
Other	0.60%
Pension adjustment	1.30%
United Kingdom
Amount
Difference in statutory tax rate	$ 1.9
Other	0.6
Change in valuation allowance	3.9
Nontaxable income	7.0
Tax credits	(13.4)
Write-off of intangibles	4.5
Share-based compensation	$ (0.4)
Percent
Difference in statutory tax rate	(1.90%)
Other	(0.60%)
Change in valuation allowance	(3.80%)
Nontaxable income	(6.80%)
Tax credits	13.10%
Write-off of intangibles	(4.40%)
Share-based compensation	0.40%
Mexico
Amount
Difference in statutory tax rate	$ 3.3
Other	0.1
Nontaxable income	2.2
Withholding tax	$ 2.0
Percent
Difference in statutory tax rate	(3.20%)
Other	(0.10%)
Nontaxable income	(2.20%)
Withholding tax	(2.00%)
Netherlands
Amount
Difference in statutory tax rate	$ 0.1
Nontaxable income	$ 1.3
Percent
Difference in statutory tax rate	(0.10%)
Nontaxable income	(1.30%)
Other Foreign Jurisdictions
Amount
Difference in statutory tax rate	$ 1.9
Percent
Difference in statutory tax rate	(1.90%)
United States
Amount
Change in valuation allowance	$ 5.4
Withholding tax	1.6
Share-based compensation	$ 1.7
Percent
Change in valuation allowance	(5.30%)
Withholding tax	(1.60%)
Share-based compensation	(1.70%)